“Not having returned home yet, _________”, his father said to the police.
#63543
A
his mother got worried
B
his mother must be worried
C
I think he is missing
D
he must have got into some trouble.
推荐题目
— Who’s singing in the next room? — It ______ be Mary. She ______ New York.
#75016
A
mustn’t, is in
B
must, has gone to
C
could, has been in
D
can’t, has gone to
It isn’t going to rain, so you take an umbrella with you.
#75747
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
Anyone whose performance is best received by the public____ be given an opportunity to show their talents at the Great Hall of the People in Beijing.
#62373
A
need
B
shall
C
may
D
could
---Fifty dollars for such a T-shirt！You_____ be joking！--- I’m serious. It’s made of silk.
#62989
A
must
B
need
C
may
D
can