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700字范文 > His grandparents at home on weekends.A. are .allB. are bothC. all areD. both are.

His grandparents at home on weekends.A. are .allB. are bothC. all areD. both are.

时间:2022-04-10 15:48:44

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His grandparents  at home on weekends.A. are .allB. are bothC. all areD. both are.

问题补充:

His grandparents at home on weekends.

A. are .all

B. are both

C. all are

D. both are.

答案:

A. are .all

(答案→)B. are both

C. all are

D. both are.

解析:all , both, 表示“都”,“全部”。 both指两个人或物,而all指三个以上的人或物,在句中都可作主语、宾语、表语、同位语或定语;both和all都可直接修饰名词;名词前如有限定词时,其前只能用both of或all of。both和all在句中的位置是位于be动词之后,行为动词之前,如有情态动词或助动词,则位于情态动词或助动词与主动词之间。句意:周末,他的爷爷奶奶都在家.结合语境可知选B.

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