问题:
—How clean and tidy your room is!
—Thank you. It____ every day.
[ ]
A. is cleaned
B. was clea ned
C. was cleaning
D. is cleaning
—How clean and tidy your room is!
—Thank you. It____ every day.
B. was clea ned
C. was cleaning
D. is cleaning
—Thank you. It____ every day.
[ ]
A. is cleaned B. was clea ned
C. was cleaning
D. is cleaning
参考答案: