aboardbythesideofthewallonwhichthesewords,"Danger,keepoff."A、setup;wroteB、putup;wroteC、wasputup;iswritingD、wassetup;werewritten选D,我选的A,

Question

a board __ by the side of the wall on which these words___,"Danger,keep off."
A、set up;wrote
B、put up;wrote
C、was put up;is writing
D、was set up;were written
选D ,我选的A,

Answer 1

board被挂在墙上,这些话被写在上面,所以都用被动.