People ______always be careful with fire， or it can be dangerous.
#76425
A
can
B
needn’t
C
must
D
shouldn’t
推荐题目
Our playground is not so tidy and beautiful as before, students must ____ dirty things on it.
#74989
A
be stopped to throw
B
be stopped throwing
C
stop to throw
D
stop from throwing
--- Would you mind if I smoked here?---I am afraid…, but if you________.
#63164
A
will
B
must
C
would
D
may
－ Do you think the English class is _____________?－ Yes, I enjoy it very much.
#77099
A
interested enough
B
interesting enough
C
enough interested
D
enough interesting
–Look! The boy is running fast! –He might ______ to catch a bus.
#75241
A
run
B
running
C
is running
D
be running