—Where is your sister?—She’s gone away the weekend.A. inB. atC. forD. on

问题补充：

—Where is your sister?

—She’s gone away the weekend.

A. in

B. at

C. for

D. on

答案：

A. in

B. at

(答案→)C. for

D. on

解析：“ go...for the weekend ”意为“去……度周末”。on the weekend在周末。