Jack a great talker. It’s high time that he __ something instead of just talking.
#86567
A
will do
B
has done
C
do
D
did
推荐题目
Had I known about this computer program, a huge amount of time and energy       .
#87058
A
would have been saved
B
had been saved
C
will be saved
D
was saved
It would be very safe if you_________ the door_________ to the garden.
#89583
A
fasten;led
B
will fasten;leads
C
fastened;leading
D
fastened;to lead
      , the forest fire would have been discovered much earlier.
#87801
A
But for their care
B
Had they been more careful
C
Without their care
D
If they were careful