Claude Jennings is said _____ his memory.
Đáp án
A. to have been lost
B. to be lost
C. to have lost
D. to lose
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.