问题
选择题
— What's that noise?
— Oh, I forgot to tell you. The new machine ______.[ ]
A. was tested
B. will be tested
C. is being tested
D. has been tested
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— What's that noise?
— Oh, I forgot to tell you. The new machine ______.[ ]
A. was tested
B. will be tested
C. is being tested
D. has been tested
答案：C