问题

If we ________ careful, fire can be dangerous.
A:don’t be
B:are
C:won’t be
D:aren’t
B:are
C:won’t be
D:aren’t
正确答案是:
同类题型
________ did your uncle leave his home town?.— Let me see. He _______ for nearly twenty years.
There will be _______ space for living things on earth.
There is ______ much traffic on the road. Don’t be in ______ a hurry.
Look! This coat is very beautiful.—-Yes, but its price is too______ for me. It is 1000 yuan.
What are you ________? —My new book . Please help me find them.