They____on the program for almost one month before l was arranged to help them. Now, we____on it as no result has come out.
#99542
A
had been working: are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
推荐题目
—-Look at the timetable. Hurry up! Flight 4062 ______off at 18:20. — I will.
#101703
A
takes
B
took
C
will take
D
has taken
Bruce _________his leg when he _____ in a football match yesterday afternoon.
#103664
A
broke; played
B
has broken; was playing
C
broke; was playing
D
was breaking; played
The number of foreign students attending Chinese universities rising steadily since1990.
#99649
A
is
B
are
C
has been
D
have been
. All of the guests ___________ by 9 o’clock , but the host _____________ until 15 minutes later .
#104291
A
arrived; didn’t turn up
B
had arrived; didn’t turn up
C
arrived; hadn’t turned up
D
had arrived; hadn’t turned up
In order to find the missing child, villagers all they can over the past five hours.
#99305
A
did
B
do
C
had done
D
have been doing