问题描述：
the teacher asked us 空格 to school on time
A to come B coming C come D comes 这里不用ask for 也有要求的意思么?还有因为前面有动词了,后面是不定时还实加ing?
A to come B coming C come D comes 这里不用ask for 也有要求的意思么?还有因为前面有动词了,后面是不定时还实加ing?
问题解答：
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