The post office is ______ Center Street.
A. in B. on C. at D. from
We used to in the evening, but now we are used to early in the morning.
A. exercise; exercise
B. exercise; exercising
C. exercised; exercise
D. exercising; exercise
Cao Yinpeng is a 9-year-old Chinese boy. He is known saving his father's life.
A. for B. at C. by
–Do you know the student _____ David and Jack?
--Yeah. It’s Jim.
A. Among B. in C. between D. around
一Daddy, I've run out of my pocket money. I spent 100 yuan some favorite books.
一OK. Here you are. But make sure you save money as well.
A. for B. on C. with D. at
Mr. Green is old to carry the heavy box.
A. to B. very C. too
