Joan and Mary haven't seen each other_____ they left school five years ago.
A. as B. before C. after D. since
A talk on Chinese history _____ in the school hall next week.
A. is given B. has been given
C. will be given D. gives
—Is Xiao Li in the classroom?
—No, he there. I saw him in the reading room just now.
A. can’t be B. mustn’t be
C. is D. needn’t
They arrived ___ London___ a cold winter night.
A. at, in B. in, on C. at, on D. in, at
— Can you __________ another solution to the problem ?
A. come up with B. cheer up
C. clean up D. set up
______of the teachers in the school are from the famous colleges.
A. Three quarters B. Two-third
C. two fifth D. Two-nineth
