单项选择题The Car Club couldn't ______ to meet the demands of ail its members.

A.assume
B.ensure
C.guarantee
D.confirm


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2.单项选择题Dr. Jones checked the patient's ______ carefully before making his treatment.

A.symbols
B.symptoms
C.signs
D.conditions

3.单项选择题So confused ______ that he didn't know how to start his lecture.

A.since he became
B.would he become
C.that he became
D.did he become

4.单项选择题The heavily-populated area was a breeding place for ______ diseases.

A.infectious
B.powerful
C.influential
D.suspicious

5.单项选择题She possessed a quick mind, a sharp tongue and ______ a strong will.

A.above all
B.first of all
C.most of all
D.and all

7.单项选择题Advanced computer technology has ______ an answer to accurate weather forecasting.

A.set up
B.come up with
C.filled in
D.faced up to

8.单项选择题It is about time that such practices

A.are ended.
B.be ended.
C.were ended.
D.must be ended.