The constitution, unlike other forms of laws, is fundamental our social system working proper——青夏教育精英家教网——

The constitution, unlike other forms of laws, is fundamental ______ our social system working properly.

A. for keeping
B. to keeping
C. to keep
D. with keeping

If you really have to leave during the meeting, you'd better leave _____ the back door.

A. for
B. by
C. across
D. out

He is tired ____working for 12 hours,so he is having a rest.

A. from
B. out
C. in
D. up

There are five pairs ,but I’m at a loss which to buy.

A.to be chosen
B.to choose from
C.to choose
D.for choosing

It's important to learn to take a positive attitude __________ life when you are __________ trouble.

A. to; under
B. of; in
C. to; in
D. with; in

When they got there,they found the people suffering the storm were __________ food and water supplies.

A．in want of
B．in praise of
C．in honour of
D．in place of

It is __________ ill health that she is now not so active in the movement.

A. instead of
B. in place of
C. thanks to
D. in face of

When the man was trying to break into the bank, he was caught by the police__________.

A. in a spot
B. on the spot
C. off the spot
D. to the spot

Success in life doesn't happen __________. It's the result of devoting your time and energy to what
you've set out to do.

A. by force
B. by design
C. by accident
D. by choice

__________ any other species, human populations are shaped by the usual forces of natural selection,
like famine, disease or climate.

A. Compared with
B. As with
C. As for
D. In addition to

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