Anything worth _______ is worthy of _______ well.
A. doing; being done
B. doing; doing
C. to be done; to be done
D. to be done; being done
查看答案
____ is not easy.
A. For cook
B. To cooking
Cooking
D. Cook
China is a ____ country.
A. developing
B. develop
C. developed
D. being developed
Things keep ____.
A. changed
B. changing
C. being changed
D. change
Poor Bill can’t help ____.
A. coughing
B. to cough
C. that he coughed
D. cough