题目内容
21、The government has taken some measures to solve the problem of unemployment, but it may be some time ______ the situation becomes better.
A．before B．since C．after D．unless
试题答案
21、A
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The government has taken some measures to solve the problem of unemployment, but it may be some time ______ the situation becomes better.
A．before B．since C.after D．unless
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The government has taken some measures to solve the problem of unemployment, but it may be some time ______ the situation becomes better.
- A.before
- B.since
- C.after
- D.unless