The story I’ve just read _____ Agatha Christie.
A. was written
B. was written by
C. was written from
D. wrote by
Chọn đáp án B
Last night a tornado swept through Rockville. It _____ everything in its path.
Vitamin C _____ by the human body. It gets into blood stream quickly.
The man died because medical help was not summoneD. A doctor should _____.
Today, many serious childhood diseases _____ by early immunization.