A new flu vaccine has been on trial since the beginning of the year.
@ They.........................................................................................................................................................................
Đáp án:
@ They have been trying out a new flu vaccine since the beginning of the year.
@ They have been testing a new flu vaccine since the beginning of the year.
@ They have tested a new flu vaccine since the beginning of the year.
It was wrong of you to be rude to Judy last night.
@ I’d rather.........................................................................................................................................................................
I was made responsible for foreign sales. (charge)
@ They put …………………………………………………………………………. sales.
You must never mention this to him. (no)
@ Under …………………………………………………………………………. this to him.
Martin cannot go any higher in his career. (pinnacle)
@ Martin…………………………………………………………………………. his career.
Someone has suggested the resignation of the minister.
@ It.........................................................................................................................................................................
George has been unemployed for two years now. (out)
@ George …………………………………………………………………………. for two years now.