We have done things we ought not to have done and_____ undone things we ought to have done.
#103904
A
left
B
leave
C
will leave
D
leaving
推荐题目
The College Entrance Examination __________near, so you should be prepared for it.
#104312
A
is drawing
B
draws
C
drew
D
has drawn
Many couples feel lonely at home when their children to go to college.
#99327
A
grow up
B
have grown up
C
grew up
D
had grown up
It's reported that by the end of this week the stock exchange________ by about 10％.
#104889
A
will have risen
B
has risen
C
will be rising
D
has been rising
The wireless video camera is ________to send its video signal to a nearby base station，allowing it to be viewed on a computer or a television．
#99870
A
persuaded
B
pretended
C
intended
D
advised
We first met on a train in 2000. We both felt immediately that we _________ each other for years.
#104591
A
knew
B
have known
C
had known
D
know