--- ________ have you kept the book ? --- Since last Month. I ________ return it to the library today or I can’t borrow one next time.
#74561
A
How often; must
B
How long; have to
C
How soon; have to
D
When; must
推荐题目
_____ anyone phone during the board meeting, please tell them I am busy.
#63227
A
Should
B
Will
C
May
D
Can
Without gravity, we _____ walk on the ground as freely as we do now.
#63085
A
couldn’t
B
mustn’t
C
shan’t
D
needn’t
--Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.—Yes, the weather there _____ be as low as 60℃ below zero.
#63305
A
must;can
B
shall;must
C
will;should
D
hasto;can