— 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.
#62876
A
must have been
B
should have been
C
could have been
D
may have been
推荐题目
—Dad, must I do my homework now?—No. You_____play games with your friends for a little while.
#78172
A
would
B
needn’t
C
may
D
don’t have to
You may get lost easily in big cities like Beijing you have a map or a guide.
#77382
A
unless
B
if
C
when
D
until
You ______ be hungry already--- you had lunch only two hours ago!
#63140
A
mustn’t
B
wouldn’t
C
can’t
D
needn’t
—___________ he have to wear his school uniform every day?—No, he ______________.
#75548
A
Must; mustn't
B
Can; can't
C
Does; doesn't have to
D
Do; don't have