——I think the man over there must be Bob.——Itbe him. He has gone to Australia.
A. can't
B. shouldn't
C. may not
D. mustn't
When you are leaming English, use it as often as possible, you might forget it.
A. or
B. and
C. but
D. unless
Mary was doing her homework I entered.
A. while
B. when
C. after
D. before
He hurt herbadlyshe had to see a doctor.
A. too; that
B. cither; or
C. so;that
D. too, to
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