摘要： The government has taken some measures to solve the shortage of electricity, but it may be some time the situation improves. A. since B. when C. unless D. before 解析:It may/ will(not)be -before- It was(not)-before- It is-since-
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The government has taken some measures to solve the shortage of electricity, but it may be some time _______ the situation improves.
A．since B．when C．unless D．before
查看习题详情和答案>>The government has taken some measures to solve the shortage of electricity, but it may be some time ___________ the situation improves.
A. since B. when C. unless D. before
查看习题详情和答案>>The government has taken some measures to solve the shortage of electricity, but it may be some time ____________ the situation improves.
| A．since | B．when | C．unless | D．before |