Man’s achievement on earth is great; however, he has been endangered by breaking the balance of nature.
A. in danger
B. in trouble
C. defeated
D. creating danger
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She asked him to give them a call if they missed three classes ().
A.in a row
B.now that
I think I am old enough and strong enough to() my own life.
A.suppose
B.handle
When you open a(n) ()in your name, you take responsibility for all future bills.
A.sense
B.account
They found it was very difficult to ()all these problems.
A.add to
B.cope with
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