> 英语 >
I can't find Mary downstairs.She ____ her homework upstairs.A must do Bmust be doing C must have
done Dcan't do答案是B,为什么不选A
人气:303 ℃ 时间:2020-02-15 08:46:26
解答
他是说玛丽一定正在做作业,所以我现在找不到玛丽啊.be doing是现在进行时,所以选B更加贴切
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版