—Listen! Is that Pingping playing the guitar? —No. It __________be Pingping. He has gone to Beijing.
#76611
A
mustn’t
B
may
C
can’t
D
must
推荐题目
(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.
#62415
A
should have been saved
B
must have been saved
C
need have been saved
D
could have been saved
