--- Shall we call on Frank tonight?---We’d better not. He is said ________ a lec

题干

--- Shall we call on Frank tonight?
---We’d better not. He is said ________ a lecture.

A．preparing

B．to be preparing

C．to have prepared

D．having prepared

上一题下一题 0.85难度单项选择更新时间:2010-07-02 02:05:31

小学学科试题库

初中学科试题库

高中学科试题库