We were about to go out for a walk it began to rain.A.whileB.beforeC.asD.when
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We were about to go out for a walk ______ it began to rain.
| A.while | B.before | C.as | D.when |
试题答案
D
解析试题

We were about to go out for a walk ______ it began to rain.
| A.while | B.before | C.as | D.when |
D
解析试题