—What are you busy with these days? I haven’t see you for so long.--We’re doing

题干

—What are you busy with these days? I haven’t see you for so long.
--We’re doing a ______ on pollution.

A．project

B．form

C．course

D．note

上一题下一题 0.65难度单选题更新时间:2019-04-15 08:46:50

小学学科试题库

初中学科试题库

高中学科试题库