Thereareaboxof________ontheteach

发布时间:2020-07-10 18:04:51

There are a box of ________ on the teacher's desk.













A.chalk












B.books











C.ruler











D.knifes

网友回答

B解析there are后面必须加名词复数,knifes为错误形式,应变fe为v,再加es.
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