—Did Alan enjoy seeing his old friends yesterday? —Yes, he did. He ________ his old friends for a long time. 
#104739
A
didn’t see
B
wouldn’t see
C
hasn’t seen
D
hadn’t seen
推荐题目
---I’m sure Andrew will win the first prize in the final. ---I think so. He _____ for it months.
#101313
A
is preparing
B
has been preparing
C
was preparing
D
had been preparing
 An emergency meeting will be held tomorrow, at which the bill ________ to pass. 
#100292
A
is expected
B
will be expected
C
expects
D
will expect
Ladies and gentlemen, please fasten your seat belts. The plane         . 
#101851
A
takes off
B
is taking off
C
has taken off
D
took off