Our classroom ______ every day. We can study comfortably in it.
A. clean B. cleans
C. is cleaned D. was cleaned
My English teacher is very ______ because he always explains problems over and over again.
A. serious B. friendly
C. hard-working D. patient
He is the boy ______ likes playing basketball very much.
A. which B. who C. whom D. whose
Jim still went to school ______ what happened yesterday.
A. even though B. no matter
C. as long as D. so that
--- Could we see each other at 9 o’clock tomorrow morning?
--- Sorry， let’s make it ______ time.
A. other B. another C. other’s D. the other
Now many young people in China celebrate Christmas Day ______ December 25th.
A. on B. in C. at D. to
