---_______should we clean the library?
--- You should clean the library at least twice a week .
A. How many B. How much
C. How long D. How often
We think that the best way to relax is _______ exercise.
A.about B.in C.at D.through
---Do you have____else to say for your mistake? ---________but sorry .
A. anything; Something B. something; Everything
C. something; Anything D. anything; Nothing
---What a nice watch! When_____you ____it? ---Three days ago.
A. do; buy B. did; buy
C. were; buy D. did; bought
The Greens arrived ____ New York _____ a sunny day.
A. in; in B. at; in C. at; on D. in; on
Mulan is __ exciting action movie.__ _movie comes from __ old Chinese story.
A. a; A; / B. an; / ;an
C. an; The ; an D. /; The ;an