Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live.
#88274
A
will be
B
would have been
C
is
D
would be
推荐题目
---Must we leave the classroom now?---No, you _____. You _____ leave after the bell rings.
#86350
A
mustn't; are allowed to
B
don't have to; might
C
needn't; can
D
can't; are supposed to
—Do you think he will do me a favor?—As far as I know，he is the last one to help others.He_______be prepared to give you a hand，though.
#88926
A
must
B
might
C
can
D
should
Captain Cook commanded that all the goods _________ into the sea.
#87638
A
should throw
B
be thrown
C
threw
D
should thrown
(2014·湖南六校联考)I know it’s normal for such a thing to happen，but we________it if we’d been more careful.
#86405
A
need have avoided
B
could have avoided
C
will have avoided
D
had avoided