If nothing________，the oceans will turn into fish deserts. (2013·湖南，26)
#99430
A
does
B
had been done
C
will do
D
is done
推荐题目
--- Hi, Tracy, you look tired. --- I’m very tired. I ____ the living room all day.
#102531
A
painted
B
had painted
C
am painting
D
have been painting
We________on this project for four hours.Let's have a rest.
#99184
A
are working
B
have been working
C
worked
D
had worked
If you ____ the chat room ten minutes ago, you ____ what we were talking about.
#103026
A
have joined; will know
B
would join; have known
C
should join; would know
D
had joined; would have known
—Where are the children? The dinner’s going to be complerely ruined.—I wish they always late.
#102655
A
weren’t
B
hadn’t been
C
wouldn’t be
D
wouldn’t have been
--- The accident might not have happened , had we been more careful . --- But we _______.
#103641
A
didn’t
B
hadn’t
C
weren’t
D
don’t