I _____ have written to him because he phoned me shortly afterwards.
#90086
A
ought to
B
must
C
couldn’t
D
needn’t
推荐题目
I can’t accept the order he gave yesterday that I _____in my own study!
#87684
A
couldn’t be
B
not be
C
mustn’t be
D
wasn’t
If the wound ______ become infected, do not hesitate to call me.
#87149
A
shall
B
must
C
should
D
would
— I ____ to your birthday party last Sunday.— Unfortunately, you were out on business.
#89993
A
had come
B
came
C
would come
D
would have come
Daniel’s family ________ their holiday in Huangshan this time next week.
#88208
A
are enjoying
B
are to enjoy
C
will enjoy
D
will be enjoying
We the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received