.This is a reading room boy you must act in the way won’t disturb others.A. in whichB. i

问题补充：

.

This is a reading room, boy, you must act in the way won’t disturb others.

A. in which

B. it

C. which

D. as

答案：

A. in which

B. it

(答案→)C. which

D. as

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