35.He spent every Sunday morning _____ in an old people’s home.A to work B working C worked D works 先哪个啊为什么啊
问题描述：
35.He spent every Sunday morning _____ in an old people’s home.
A to work B working C worked D works 先哪个啊为什么啊
答
working
spend 时间/金钱（ on ）doing sth on可以省略
答
B working
spend 主语是人 spend ... on sth / doing sth
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答
答案选 B working
spend some time in doing sth.花费时间做某事。
这是固定用法
答
B working
答
选B. 句型是spend time doing something.