I wonder why he hasn't __ any of my letters for such a long time.
#81113
A
replied
B
replied to
C
answer for
D
asked
推荐题目
Try to_______ at least an hour every day for learning English.
#83880
A
set off
B
set out
C
set about
D
set aside
I’m afraid that it is you, ________ Bernard, _______ to blame.
#82873
A
more than; who is
B
rather; that are
C
other than; that is
D
less than; which are
We _______him on his birthday and held a party to _______it. 
#70595
A
congratulated; congratulate
B
celebrated; celebrate
C
celebrated; congratulate
D
congratulated; celebrate