问题

I’m sure Andrew will win the first prize in the final— I think soHe ______ for it for months
A:is preparing
B:was preparing
C:had been preparing
D:has been preparing
B:was preparing
C:had been preparing
D:has been preparing
正确答案是:
同类题型
1–Can you catch what the teacher said in the English class?– Sorry, I can understandit.
He never complains about the difficulties he has in life ,he always has ways to overcome them
ire______attheNationalExhibitioninLondon,atleasttenpricelesspaintingswerecompletelydestroyed
Only in this way____to make improvement(提高)in the operating system.[ ]