2019-2020学年人教版高中英语新探究课件:必修5 unit5 words and expressions
2019-2020学年人教版高中英语新探究课件:必修5 unit5 words and expressions第3页

1.The text should aid in the early detection of the disease.

aid (sb/sth) in (doing) sth

2. Words will be displayed around the room to aid students with spelling

aid sb with sth

3.Photos make useful teaching aids

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