I won’t tell the student the answer to the math problem until he ______ on it for more than an hour.
#104700
A
has been working
B
will have worked
C
will have been working
D
had worked
推荐题目
—What’s the noise outside? —The kids ______ in the garden.
#100329
A
have played games
B
play games
C
are playing games
D
are played games
I have called the station and they told me the next train for Chongqing _____at 2:30.
#103073
A
will leave
B
left
C
has left
D
leaves
—Tommy is planning to buy a car.—I know. By next month he _____ enough for a used one.
#100921
A
will have saved
B
saved
C
will save
D
saves
If city noises ______ from increasing, people______ shout to be heard even at the dinner table 20 years from now. (MET1992 )
#104333
A
are not kept; will have to
B
are not kept; have to
C
do not keep; will have to
D
do not keep; have to
It seems water ______ from this tap for some time. We’ll have to take it apart to put it right.
#104512
A
had leaked
B
is leaking
C
leaked
D
has been leaking