3道英语题 追20分

3道英语题 追20分
We all thought that he was much stronger than ___
A he was looked B he looked at C he looking D he looked
答案D
我想问A为什么不行..我的理解是than到底是并列连词么? 如果是前后不是要一致么形式?
Has all ___ can be done ___?
A what..done B that...been done C that...already done
D what ...already been done
答案B..我想知道为什么D错..难道不是主语从句么
I ___ you ___ so early.
A don't expect...will come
B didn't expect.would come
C don't expect...have come
D didn't expect...will come
答案B 我想知道D为什么不行...will come 不是讲现在么.