The weight of something is another way of describing the force exerted on ----- by gravity
问题描述：
The weight of something is another way of describing the force exerted on ----- by gravity
A.it B.them C.that D.one
为什么是A不是B?一些事物的体重虽然后面用的是is,但也应用them才对吧?
答
不定代词作主语,谓语通通用单数.
如： There is something urgent here.
Something is wrong.
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