These flowers ____ me twenty yuan.
A. cost B. paid C. spent D. took
Don’t ______ him. He is very happy now.
A. worries B. worries about
C. worry D. worry about
--_______may I keep this book? --For two weeks.
A. How often B. How soon C. How long D. How far
We have no time to play. We have _________ homework to do.
A. too much B. much too
C. too many D. many too
—Whose book is it? —Look! Jane’s name is on the cover(封面). It _________ hers.
A. can’t be B. must is C. should be D. must be
His father often ___________to work.
A. takes a bike B. by bike
C. on foot D. rides a bike
