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
一"Peter, have you got your new flat furnished?—Yes. I ______ some used furniture and it was a real bargain.
#100526
A
will buy
B
have bought
C
bought
D
had bought
Knowledge and learning are important if we want to be successful, but they may also __________ our thinking.
#99365
A
direct
B
limit
C
change
D
improve
The last time I _______ Jack, he _______ football with classmates.
#103585
A
had seen; was playing
B
saw; played
C
had seen; playing
D
saw; was playing
—I'm not finished with my dinner yet.—But our friends________for us.
#99187
A
will wait
B
wait
C
have waited
D
are waiting
