—Please don't step on the grassland. Can't you see the sign "______ the grassland" ?
—Sorry, sir! I didn't see it.
A.Keep off | B.Take off |
C.Get off | D.Turn off |
—Please don't step on the grassland. Can't you see the sign "______ the grassland" ?
—Sorry, sir! I didn't see it.
A.Keep off | B.Take off |
C.Get off | D.Turn off |