Is this your eraser?NO,it is not.Ithink{ }
问题描述:
Is this your eraser?NO,it is not.Ithink{ }
1;it his eraser 2;its his eraser 3;it is his eraser改选哪一个
答
选三
答案一缺少谓语
答案二的 its是意思它的 ;如改成 it's 就 可以