-- Could I clean the room for you ?
--- No, thank you. I ________it myself.
A.was cleaning B. have cleaned
C. cleaned D. cleans
Mr. Yang teaches ______math and is very strict with us.
A.our B. we C. ours D. us
He has few friends and often feels lonely , _______he has much money.
A. even B. because
C. though D. however
I will go to Hangzhou sometime next week. Perhaps I _____visit you at that time.
A. must B. should
C. may D. need
In class , our teachers always stand______ us in order to hear us clearly.
A.below B. between
C.away from D. among
-- The population of Zhengzhou is much than that of Shanghai.
A. larger B. less C. smaller D. fewer