John ___ such a thing about you He neverspeaks ill of you behind your back

________ of shoes do you take—I take size 37.

I’d appreciate________if you tell me some knowledge about rock music.[ ]

I want to know if I _________ smoke here.— No， you ___________. Can’t you see the sign “NO SMOKING” there

ous illness, ______ its nature, is almost alwayspainful.