题目内容
单词组句
air, does, where, from, pollution, come(?)
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air-conditioned, bus, is, the
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of; air; there; a; lot; pollution; is; city; the; in
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does; pollution; where; air; from; come
1.favourite, activity, indoor, my, reading, is, a book
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2.nowadays, usually, we, by, other, travel, air, places, to
3.hard, study, I, to, need
4.use, for, people, a hose-pipe, a fire, out, putting
5.a typhoon, what, when, there, is, happen, may