Our new reading room____ to be very useful because a large number of students can gain

a lot of know-ledge by reading the magazines and newspapers.[ ]

A. proves

B. promises

C. considers

D. keeps

房屋维修计划的制订范围( )。

A．确定房屋维修的范围

B．计算工程量与费用

C．确定工作时间安排

D．确定维修范围