20.-Do you mind if l record your lecture?
- .Go ahead.
A.Never mind B.No way
C.Not at all D.No,you’d better not
19.The number of traffic accidents that in developing countries increasing.
A.happens;is B.happen;is
C.happens;are D.happen;are
18. you eat the correct foods be able to keep fit and stay healthy.
A.Only if;will you B.Only if;you will
C.Unless;will you D.Unless;you will
17.Don’t promise anything you are one hundred percent sure.
A.whether B.after C.how D.unless
16.For many cities in the world,there is no room to spread out further, New York is an
example.
A.for witch B.in which C.of which D.from which
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