英语的几个选择题

英语的几个选择题
帮忙回答下面几个问题吧o(∩_∩)o...
1 )___ of them has seen the movie;so they know nothing about it.
A.No B.None C.Neither (有none of 这个词组吗?)
2 )Excuse me ,would you please tell me ____ buy a camera?
A.what to B.where to C.what I can D.where can I
(说下选择的原因)
3 )___ would you like to live in
A.where B.which (原因)
4 )-She didn't come to school yesterday ,did she?
-_____.Though she was not feeling very well.
5 )Can you come up with some solution ____ our problem?
A.to B.of C.for D.with
6 )When Edison was a small boy ,he always had a hard time ____ math.
A.learn B.to learn C.learning
第3题 还有 C.which city （落了，不好意思）
再问一题：
7 )___children there are in family,____ their life will be.
A.fewer ,richer.B.the fewer,the better
这题选的是 B 为什么?
由于疏忽,才造成大家的麻烦,所以再+ 20
当然你们的回答都很好。其实我有正确答案，只不过想让你们再选选，问问为什么。
1.我也不确定，我当时写的是错的（当时选什么也忘了），老师也没校对，想问问你们，可你们的答案那么多，B还是C，貌似A不太可能吧
2.B
3.C
4.yes
5.A （看到有人说表目的是用for，我记得我们说老师说表目的是用to啊）我也不知道
6.B
大部分题我都懂了哈，第7题也明白了
(这些话原本想在最后的"感谢"那里说的，可百度限字)