问题详情

—Can you go skating with us this afternoon?  —Sorry, I can’t. I ________ take care of my little sister at home.


<span style、""><span>could</span><span> </span></span>

<span><span style、"">have to</span></span>

<span><span style、"">may</span></span>

时间:2021-07-17 19:11 关键词:

答案解析

<span><span style="">have to</span></span>
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