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What do you usually do in your spare time?
你有空的时候，通常做些什么？
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you can call your friend and ask them when they'll be free by using a "when" question.
你可以打电话给他们，用“When”问句来询问他们什么时候有空。
应用推荐
$firstVoiceSent
- 来自原声例句