161. He hardly writes to you,_______?
A. doesn't he B. does he C. do they D. has he
解析：该题答案为 B， hardly否定副词，反问部分要用肯定形式。
162. _______ I accept the gift or refuse it is none of your business.
A. If B. Whether C. Even if D. No matter when
解析：该题答案为 B。 whether可以和 or连用， if不可以，此外 if一般仅用于宾语从句。
163. The way_______ these comrades look at problems is wrong.
A. where B. in that C.X D. with which
解析：该题答案为 C，先行词是 way，定语从句中用 that或 in which来引导或不填。
164. ____ a long time since I saw you last time.
A.It was B. It is C. It had been D. It can be
解析：该题答案为 B， It is+时间数+ since引导的从句是一个句型，意为"从…时候以来过了多久了。"
165. The chemical works_______ where my father has worked for thirty years in 1949.
A. was built B. were built C. is built D. are built
解析：该题答案为 A。 works形式上是复数，意思上是单数，因此谓语动词用单数，类似的还有 news, maths, politics, physics.
166. They each_______ a copy of the new physics.
A. have B. has C. having D. gets
解析：该题答案为 A。 They each不等于 each of…, each of这个词组作主语谓语用单数如 each of the students hands in their homework，而 they each作主语，谓语要随 each前面的词来变化。
167. Not only____ this machine but____ it.
A. can he run…… can he repair B. can he run…… he can repair
C. he can run…… he can repair D. he can run…… can he repair
解析：该题答案为 B，在 not only…… but (also)句型中，只有 but前面的部分倒装， but后面仍是正常语序。
168.____ that he went to sleep.
A It was until midnight B That was until midnight
C It was not until midnight D That was not until midnight
解析：该题答案为 C。强调 until结构时，要将否定词 not移到 until前。又如： He didn't leave until twelve改为 It was not until twelve that he left.
169. There are a lot of students____ in the class room.
A talk B talking C talked D to talk
解析：该题正确答案为 B。 There be句型为倒装句，可换为 A lot of students are talking in the class room. 又如： There is a lot of noise heard out in the street.
170. While____ my homework, I heard a cry for help.
A do B did C doing D having done
解析：该题答案为 C。该空处省略了 I'm,相当于 while I'm doing my home work.如： While playing guitar, he is singing.
171. The bus____ C__ on the road for 2 hours so far.
A. has stopped B. stopped C. has been
Are you__ A___ the jacket these days?
A. wearing B. putting on C. dressing D. on
He__ C______ foe 2 hours.
A. got up B. has got up C. has been up
You mustn't___ B_____ until he comes back.
A. be away B. leave C. be left
172. — These farmers have been to the United States. — Really? When_____ there?
A. will they go B. did they go C. do they go D. have they gone
现在完成时与一般过去时容易混淆，就是因为它们所表示的动作都发生在过去，但二者又有区别：一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作，说话的侧重点在于陈述一件过去的事情，与现在没有关系;现在完成时表示与现在有关系的发生在过去的动作，它不与表示过去的时间状语(如 yesterday， last week， a moment ago等)连用。故 9的正确答案为 B.
173. His father______ the Party since 1978.
A. joined B. has joined C. was in D. has been in
现在完成时中，非延续性动词不能与 for和 since引导的表示一段时间的状语连用，通常是用相应的延续性动词来代替。故 11的正确答案依次为： D.
174. You must make your new house clean and safe__ C_____ you move in.
A.because B.when C.before D. until
I was_______ tired_______ I couldn't walk on. (A)
A. so… that B. too… to C. very… that D. very… to
I thought he___ D____ to see his mother if he time.
A.will go… has B.will go… will have C.would go… would have D.would go… had
175. Today the forests have almost gone. People must___ C____ down too many trees.
A. stop from cutting B. stop to cut C. be stopped from cutting D. be stopped to cut
176. It's very nice_________ you to get me two tickets_________ the World Cup. (B)
A. for， of B. of， for C. to， for D. of， to
177. My mother was very glad__ A____ her old friend.
A. to meet B. meet C. met D. meets
" be+形容词+ to do sth"结构中的不定式作状语，常表示原因或方式。
178. The panda is so fat that it can't go through the hole.(改为意思相同的句子)
The hole________________________ such a fat panda to go through.( is， too， small， for)
" too+形容词/副词( for sb) to do…"(太……而不能……)和" enough( for sb) to do…"(足以、足够……做……)结构中，不定式作结果状语。
179. The new hospital___ D___ is near the factory. A. build B. builds C. to build D. to be built当不定式的逻辑主语是不定式所表示的动作的承受者(宾语)时，用动词不定式的被动式，即： to be+过去分词;如果不定式所表示的动作发生在谓语动词表示的动作之前，不定式用完成式，即： to have+过去分词;如果不定式表示的动作和谓语动词表示的动作同时发生，用不定式的进行式，即： to be+现在分词
180.________ China isn't rich now,________ we're working hard to make her richer and stronger (B)
A. Though; but B. Though;/ C. Both; and D. Because; so
so(因此;所以)为并列连词，表示结果; because(因为)为从属连词，表示原因，但这对因果连词在句中不可同时并用。 but(可是)也为并列连词，表示转折，与之对应的从属连词 though/ although(虽然)表示让步，它们也不可在句中同时使用。
