Wateriscomposed_______hydrogenandoxygen.
更新时间:2024-11-24 03:33:29 A、ofA
be composed of：由 …组成。句意：水是由氢与氧化合而成的。
Theprofessoraskedaquestion,andDavid________agoodanswer.
I don ’ t need any help at the moment,but I _____your offer.
Becauseofthebadweather,thesportsmeethadtobe________.
The book fair has received a positive ________ from readers.
He blamed his poor performance_____jet lag.
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