He’s already been back to Australia he?---. He is on a visit to Shanghai.A. has；NoB.

问题补充：

--- He’s already been back to Australia, he?

---. He is on a visit to Shanghai.

A. has；No

B. has; Yes

C. is; Yes

D. is, No

答案：

(答案→)A. has；No

B. has; Yes

C. is; Yes

D. is, No

解析：考查反意疑问句的构成。