—Guess what ! I have got A for my term paper .—Great ! You ________ read widely and put a lot of work into it .
#87536
A
should
B
should have
C
must
D
must have
推荐题目
________ more careful, his ship would not have sunk. 
#89375
A
If the captain were
B
Had the captain been
C
Should the captain be
D
If the captain would have been