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
----when are you going off for your holiday? ----My plane ______ at 9:20, so I must be at the airport by 8:20.
#99845
A
took off
B
has taken off
C
is taking off
D
would take off
–Smoking is bad for your health. --Yes, I know. But I can’t _____.
#101241
A
give it in
B
give it up
C
give it out
D
give it away
The baby is generally healthy, but every now and then he ______ a cold.
#104089
A
has caught
B
is catching
C
will catch
D
does catch
—Have you moved into your new classroom building? —Not yet, it ______________.
#99299
A
was painted
B
is painted
C
has been painted
D
is being painted
I believe that I ____ to the modern life in New York by the end of next month.
#101522
A
will have adapted
B
have adapted
C
adapt
D
will adapt