题目内容
根据句意用括号内所给单词的适当形式填空:
We must clean our hands before ________ (have) meals.
答案:having
解析:
解析:
|
介词+v-ing. |
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题目内容
根据句意用括号内所给单词的适当形式填空:
We must clean our hands before ________ (have) meals.
|
介词+v-ing. |