They ___ every means, but the engine __ work.
#103984
A
tried; couldn't
B
have tried; won't
C
tried; won't
D
have tried; can’t
推荐题目
The new dictionaries are very useful. They ________ well and ________ already .
#104513
A
sell; have been sold out
B
sold; had sold out
C
sell; sell out
D
are sold; have been sold out
---Where___?—I got caught in the heavy traffic, or I ___ here earlier.
#102463
A
did you go; had arrived
B
are you; was
C
were you; would come
D
have you been ; would have been
I graduated from college twenty years ago and I ____________ as an English teacher in this middle school ever since.
#101021
A
worked
B
have been working
C
had worked
D
was working
(2013·高考新课标全国卷Ⅰ)If we________now to protect the environment，we’ll live to regret it.
#99713
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act