—Why can your neighbor know so much about London?—He ____ have been there before.
#63417
A
must
B
can
C
should
D
need
推荐题目
---Are you pleased with the result of the math exam? ---Not at all. I can’t have ______ one.
#75040
A
a worse
B
a better
C
the best
D
the worst
With the help of the new technology, you __ e-mail your friends by mobile phone.
#76522
A
can
B
must
C
need
D
should
——Who’s the man over there?Is it Mr. Black?——It______be him. He’s much taller.
#75454
A
may not
B
can’t
C
will not
D
mustn’t