--- ________ 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
—It looks as if it’s going to rain, but I’m not sure whether the windows are shut in my apartment.—You as well go back to have a look.
#63042
A
should
B
might
C
need
D
can
— I can’t get through to the general manager’s office.—The line is busy. Someone ________ the telephone.
#76155
A
must have used
B
could use
C
could have used
D
must be using
---__________ I have a ticket , please? ---Sorry,sir. All the tickets were sold out ten minutes ago.
#78254
A
May
B
Need
C
Must
D
Should
