With all the clothes she needed , Mary left the supermarket for home.
A. to be bought
B. bought
C. buying
D. to have bought
查看答案
Normally this street every week, but nobody swept it last week.
A. sweeps
B. is swept
C. is sweeping
D. has swept
We request the committee our arrangements again.
A. discussing
B. discuss
C. discussed
D. will discuss
He said that he had to do with the accident, so he should not be questioned.
A. nothing
B. anything
C. something
D. everything
Students must learn the ____________ courses well before they can continue the advancedones.
A. basis
B. based
C. base
D. basic