当别人对你说“You speak very good English!”,你可以说:A. Of course.B. Not at all.C. Thank you.
I go to school_________ 7 o’clock. A. on B. at C. in
Who’s ________ the bathroom?A. on B. at C. in
How_______ your day? It was OK.A. is B. was C. are
It _________ about 20 minutes.A. take B. takes C. taking
How _________ Dongdong go to school?A. does B. do C. did