If we __________ careful，fire can be dangerous。
#41667
A
don’t be
B
are
C
aren’t
D
won’t be
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---We played football this afternoon.Why didn’t you play with us?---Sorry, I really wanted to. But I __________Jim fix his bike then.
#36673
A
help
B
helped
C
am helping
D
was helping
—What's up? You didn't pick up the phone just now.—I'm sorry that I ________ dancing with music on, but it's done now.
#63704
A
practised
B
was practising
C
am practising
D
have practiced
We only heard about the meeting yesterday, so it ______ yet.
#42760
A
didn’t prepare
B
hasn’t prepared
C
wasn’t prepared
D
hasn’t been prepared
A young man ___ John _____ school recently.
#42489
A
calling; has left
B
called; will leave
C
calling; is leaving
D
called; has left