----- Your classroom is very clean. ----- Yes, it ______ every day. A. is cleaned B. cleans C. is cleaning
-- Which basketball player do you like best , Kobe, James or Jordan ?—________ of them.Lin Shuhao is my favorite.
— _____ do you _____ math?—I like it a lot.
The teacher often says, “ _____ late for class.”
There is a policeman _____ the bus. He is watching the traffic.
—How long can I _____ the book?—For four days.