原题:
题型:单项选择-四个选项
— Are those your books?
— ________. They’re my friend Helen’s.
— ________. They’re my friend Helen’s.
| A.Yes, those are | B.No, those aren’t | C.Yes, they are | D.No, they aren’t |
题目考点:肯定或否定回答,语法和语境匹配
