May I put my bicycle here?-- Yes. But you should always keep it in case it is stolen.

问题补充：

--May I put my bicycle here?

-- Yes. But you should always keep it , in case it is stolen.

A. in relief

B. in sight

C. in turn

D. in return

答案：

A. in relief

(答案→)B. in sight

C. in turn

D. in return

解析：考查词组：A. in relief宽慰的，B. in sight在视野以内C. in turn依次D. in return做为回报，句意：我可以把自行车放在这儿吗？--是，但你应该把它放在视野以内，以防被偷选B。