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(   )6.A.Yes, they have.               B.No, she hasn’t.                  C.Yes, he did.

(   )7.A.Of course not.                 B.No, never.                        C.Yes, I do.

(   )8.A.Last year.                       B.Before 3 years.                 C.Since 3 years ago.

(   )9.A.I’ve no idea.                   B.Can I have some fish?        C.Yes, you can.

(   )10.A.It is tall.                        B.They are wide.                  C.She is in the office.