请对每个选项作出分析,为什么错,为什么对,请详细一些。
1.Oh,it's ___.How are you? 正确答案:A
A.you B.your C.yours D.he
2.Write ___ your exercise-books. 正确答案:B
A.dowm it in B.it down in C.down it on D.it down on
3.The shop ___ "Closed".正确答案:C
A.writes B.talks C.says D.speaks
请您耐心解答。谢谢!