Tom isn’t here. He to the library.
A．has been
B．has gone
C．went
D．has went
答案：B
The mother walked into the room in order not to wake up her baby.[ ]
A. quickly
B. quietly
C. heavily
D. fast
为完成远程教育教材各分册的学习目标，你应该做到（）
A.读懂教材
B.做练习
C.请辅导员辅导
D.确定自己工作领域的改进方案
