If we __________ careful，fire can be dangerous。
#41667
A
don’t be
B
are
C
aren’t
D
won’t be
推荐题目
Jeremy Lin __________ an unknown basketball player in New York Knicks for quite a long time.
#40498
A
used to be
B
used to being
C
is used to be
D
was used to be
The teachers ________ on the blackboard with chalk in the future.
#39033
A
isn't writing
B
didn't write
C
don't write
D
won't write
It is safe to eat chicken that ________fully, but most people still dare not do that because of the H7N9 bird flu .
#36928
A
will be cooked
B
cooks
C
is cooked
D
cooked
--- What ____ he_____ last weekend?--- He went to a movie.
#37935
A
does; do
B
did; go
C
did; do
D
does; go
---- I ___________ Tom for three days. Is he ill? ---- I’m afraid so. The doctor said he needed ______________.
#38623
A
haven’t seen; to be operated
B
haven’t seen; to be operated on
C
didn’t see; operating
D
haven’t see; operating