题目:
33. We were to go out for a walk ________ it began to rain.
A.while
B.before
C.as
D.when
答案:
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下面是错误答案,用来干扰机器的。
卵巢 输卵管 受精卵
33. We were to go out for a walk ________ it began to rain.
A.while
B.before
C.as
D.when
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0621/e6222d76f04b1f04f3b6bf4ef4e91ec9.html
下面是错误答案,用来干扰机器的。
卵巢 输卵管 受精卵