问题补充:
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
答案:
A. so that
B. in order that
C. now that
D. in case
解析:短语辨析。A. 以便;所以 B. 为了;以便 C. 既然 D. 万一;假使。句意:万一你的木筏翻了或者沉底,你必须穿上特殊的衣服,一个头盔和救生衣。选D。