题目内容
You have to wear special clothing, a helmet and a life jacket ____ your raft gets turned upside down or sinks.
| A.so that | B.in order that | C.now that | D.in case |
D
解析
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题目内容
You have to wear special clothing, a helmet and a life jacket ____ your raft gets turned upside down or sinks.
| A.so that | B.in order that | C.now that | D.in case |
D
解析
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