托业考试

试题来源：托业-4
【单选题】 Anew collection of programs______in the conference room.
A．(A) are presenting
B．(B) are presented
C．(C) present
D．(D) is being presented

参考答案：D
网考网解析：
An action in progress is indicated by the present ... 查看试题解析出处>>