— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.— Oh, it ____ my younger sister. She was in my room at that moment.
#62616
A
must have been
B
should have been
C
could have been
D
may have been
推荐题目
The chairman ________ hold office for five years according to the constitution.
#62206
A
might
B
could
C
need
D
shall
It seemed that our nursery rhymes___ some magic because all the nights I sang them for my daughter, she would listen to them with keen pleasure．
#62370
A
must have had
B
should have had
C
could have had
D
need have had
Teenagers _______ allowed to drive in the street．
#74366
A
should not be
B
should be not
C
not should be
D
shouldn’t
My sister met him at the street yesterday afternoon, so he __________ your lecture.
#63077
A
shouldn’t have attended
B
couldn’t have attended
C
mustn’t have attended
D
needn’t have attended