．— Has Tom finished his report so far? — I have no idea．He ______it this morning．
#103801
A
did
B
has done
C
was doing
D
had done
推荐题目
John promised his doctor he ________not smoke，and he has never smoked ever since.
#101399
A
might
B
should
C
could
D
would
--How did he get infected? --She ____the viruses without any protection.
#101629
A
exposed to
B
had exposed to
C
was exposed to
D
had been exposed
—The dinner was delicious! —I agree. I am so full. —That’s too bad. But some dessert ____.
#104213
A
has ordered
B
will be ordered
C
has been ordered
D
was going to be ordered
All the preparations for the task ________， and we're ready to start.
#99462
A
completed
B
have completed
C
will be completed
D
have been completed
—Why didn’t you buy the gold ring? —I ______ but I didn’t have the money.
#103211
A
would have
B
bought
C
would like to
D
had bought