Trade union leaders expressed concern about the two workers who had been sacked on the construction site with no reason（ ）.
A.正确答案Cgiving
B.to give
C.given
D.to be given
Trade union leaders expressed concern about the two workers who had been sacked on the construction site with no reason（ ）.
Trade union leaders expressed concern about the two workers who had been sacked on the construction site with no reason（ ）.
A.正确答案Cgiving
B.to give
C.given
D.to be given
