The part he ________ in the movement was important.
A．played B．acted C．behaved D．made
This is not very good; I’d like the same one ________ you are using now.
A．which B．with which C．as D．in that
Many students believe the choice of their majors and universities should ________ their own interest.
A．be based on B．base on
C．be basing on D．base at
He has passed the examination ________ his hard work.
A．because B．because of
C．thank to D．as a result
—Why didn’t you tell him about the meeting?
—He rushed out of the room ______ I could say a word.
A. until B. before C. when D. after
Mrs. Li explains English grammar so ________ that even I can understand it.
A. clear B. clearly C. more clearly D. good
