--- Listen! David is talking happily with his mother in the next room. --- It ______ be his mother. She has gone to Yunnan to be a volunteer doctor.
#77427
A
should
B
must
C
can’t
D
mustn’t
推荐题目
There's enough time for you to go to the airport.You hurry now.
#75817
A
should
B
needn't
C
must
D
can't
In order to improve your spoken English, you ________ be afraid of losing face.
#75581
A
can’t
B
don’t
C
mustn’t
D
shouldn’t
-How was the English evening party last night?-It was great fun. You ______ come.
#76316
A
should
B
must
C
may
D
can
---These grapes look really beautiful. ----They ______! See the price $3.99 a pound. Very expensive, aren’t they!
#63271
A
would
B
could
C
might
D
should