1.Where were you in July last year?——This time my family ang I_____my grangparents in New York.A.was visitingB.vistedC.had visitedD.were visiting2.There will not be enough space to _____the earth in the future.A.live on B.live inC.live on in D.li

1.Where were you in July last year?
——This time my family ang I_____my grangparents in New York.
A.was visiting
B.visted
C.had visited
D.were visiting
2.There will not be enough space to _____the earth in the future.
A.live on
B.live in
C.live on in
D.live in on
3.Do you know where Tom is?
---He must______Shanghai.
A.have been to
B.has been in
C.have gone to
D.have been in
4.Much______to help the famers in our country after the earthquake.
A.has done
B.have been done
C.was been done
D.has been done
5.The factory has_________for 5 years
A.opened
B.been opened
C.been open
D.been opening
6.I don't agree______what you said
A.at
B.with
C.on
D.in
7.He has to watch TV at homeif he____time.
A.has
B.had
8.If the man cound't swallow the bread,they______he was telling a lie.
A.think
B.will think
C.thought
D.had thought
(希望有真诚的回答者,我知道答案,就是想明白原因,谢了···）

1.D 去年7月份你在哪?这次我和家人在纽约拜访祖父母.因为问的是七月份,拜访的动作应该属于过去并且还持续了一个月的动作,所以用过去进行式.
2.A 未来将没有足够的居住在地球上的空间.to live on the earth在地球居住.此处不定式做定语,修饰space“空间”
3.C
have been to 表示去过某地 现在已经回来了 例如：I have been to Bei Jing many times.我已经去了北京好多次了（说话人现在已经不在北京）
have been in 表示在某地呆了多久 例如：I have been in Beijing for two years.我已经在北京呆了两年了.
have gone to 表示去了某地,还没有回来,有可能已经到达目的地,有可能还在途中.
本题问汤姆在哪里,应该表明他不在此地,只有have gone to 句型可用,must 后用动词原型,所以用have gone to
4.D 地震后我们国家为帮助农民做了许多事.much 做代词 表示许多事情,属于抽象概念,强调付出之多.此处much 做主语,事情应该是被做,故选D
5.C The shop has been open for 5 years.open 可以用作形容词,也可用作动词.此处商店已经经营5年,而不是开门5年,就是说强调的是开业开始经营的状态,而并非开业的瞬间动作,所以open应用作形容词表示状态.故选C
6.C 我不同意你说的话 agree with sb 或sth,意思是同意某人或某事.I agree with what she said
中,what充当了宾语,不能省略,否则就不成句子.另外,还有agree to do sth,意思是同意去做某事.
7.A 这道题感觉有点别扭.此处是if 引导的真是条件句,主句用将来时（也可以是祈使句或者情态动词的形式）从句用一般现在时.故选A.
8.B 同7题 但感觉If从句里用了couldn't应该是被动语态,如果是那样就没有答案了,所以就按照第七题的理解方法选了B

都时态问题，自己好好看看书就懂了-，-

我翻译给你吧
第1题：问的是：你去年七月在哪里？
应该回答，我当时和我的父母在纽约拜访爷爷奶奶。
所以应该选D