问题
连词成句
连词组句。
1. with, busy, he, us, too, time, is, to, spend
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2. to, is, brother, a, not, motorcycle, my, old, ride, enough
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3. she, old, enough, to , go, school, is, to
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4. thank, for, you, have, all, you, done, me, for
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答案
1. He is too busy to spend time with us.
2. My brother is not old enough to ride a motorcycle.
3. She is old 
enough to go to school.
4. Thank you for all you have done for me.
(答案不唯一)