When do you think we will leave tomorrow? You had better ready at seven o’clock.A. to beB

问题补充：

When do you think we will leave tomorrow? You had better ready at seven o’clock.

A. to be

B. be

C. being

D. been

答案：

A. to be

(答案→)B. be

C. being

D. been

解析：可联系答.案.网客服索取。