Why don’t you have your brother _____ the roof?
A. repairs
B. repair
C. repaired
D. to repair
Chọn đáp án B
Vitamin C _____ by the human body. It gets into blood stream quickly.
Last night a tornado swept through Rockville. It _____ everything in its path.
The man died because medical help was not summoneD. A doctor should _____.
Today, many serious childhood diseases _____ by early immunization.