‘_____ about the eight o’clock flight to Chicago?’ ‘Not yet.’
A. Has been an announcement made
B. Has an announcement made
C. Has an announcement been made
D. Has been made an announcement
Giải bởi Vietjack
Chọn đáp án C
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.
