“There is something wrong with my bike.” “It doesn't matter. I lend you mine.”A. am toB.

问题补充：

“There is something wrong with my bike.” “It doesn matter. I lend you mine.”

A. am to

B. am going to

C. must

D. will

答案：

A. am to

B. am going to

C. must

(答案→)D. will

解析：be to表示按计划将来的动作, be going to表示按照安排发生的动作或即将发生的不受人意志支配的将来动作; will表示“意原’意志”.