__ It is so late. Our son __________ be back . __ Don’t worry . I dare say he ________ have some extra work to do.
#88334
A
can ; must
B
will ; might
C
should ; must
D
must ; may
推荐题目
Messages ______ be changed from sound into electricity before they ______ be sent by radio.
#90077
A
must; will
B
have to; can
C
can; must
D
need; may
I’d rather______ rudely to her yesterday.
#87532
A
you not speak
B
your not speaking
C
you didn’t speak
D
you hadn’t spoken.
Jack _____ yet, otherwise he would have telephoned me.
#89350
A
mustn’t have arrived
B
shouldn’t have arrived
C
can’t have arrived
D
needn’t have arrived
GM, Chrysler and Ford expressed their desire that they ________ in want of a $25 billion government aid to pull through the financial crisis.
#87064
A
were
B
would be
C
be
D
ought to be
At last he finish the work ahead of time.
#89655
A
could
B
was able to
C
could have done
D
would have been able to