I'smygrandfather'sbirthday___Sunday.A.thisI'smygrandfather'sbirthday___Sunday.A.thisB.onthisC.on
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题目内容:
I's my grandfather's birthday___Sunday.A.this
I's my grandfather's birthday___Sunday.
A.this B.on this C.on
优质解答
a吧,有this就不用加介词了
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