Miss Gao asked the little boy whether two ________ by five is ten.是填multiply 还是 multiplied给我理由

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Miss Gao asked the little boy whether two ________ by five is ten.是填multiply 还是 multiplied给我理由
Miss Gao asked the little boy whether two ________ by five is ten.是填multiply 还是 multiplied
给我理由

Miss Gao asked the little boy whether two ________ by five is ten.是填multiply 还是 multiplied给我理由
multiplied
因为multiply做“乘”解的时候是不及物动词,用法为multiply by.
这里你可以将“multiplied by five”看作是“two”的后置定语(过去分词作后置定语).

这里考的是时态,Miss Gao是"asked",也就是以前说的,但2乘5等于10是永远存在的,固定不变的,故用原形"multiply"
注意:multiply vt.(2)[数]乘,使相乘

multiplied
因为后面有by,被5乘