—I wonder how long you in Hawaii.—Just for the weekend then I had to attend a conference

问题补充：

—I wonder how long you in Hawaii.

—Just for the weekend, then I had to attend a conference in Los Angeles.

A. will stay

B. were staying

C. have stayed

D. stayed

答案：

A. will stay

B. were staying

C. have stayed

(答案→)D. stayed

解析：可联系答.案.网客服索取。