--- Do you know the big boy ________ helped to catch the thief yesterday ?
--- Yes, Li Ming, the chairperson of the Students’ Union .
A. the oneB. whichC. whom D. who
--- I can’t afford the white sweater. Can you show me another one?
--- What about the orange one? The price is a little ________.
A. cheaperB. higherC. lowerD. more expensive
The Slender West Lake ______ a long river named the Baozhang Lake.
A. is used to be B. used to being
C. used to be D. is used to being
--- How many students are there in your class? --- Forty，and ________ of us are girls.
A. three fifthsB. three fifthC. third fiveD. third fifths
I think we should give him another chance _______ he has made some mistakes.
A. thoughB. unless C. if D. until
--- Have you decided which club to join?
--- Not yet. I __________ go to the Music Club.
A. mustB. mayC. needD. should
