How long do you think it will be _____ we can find a new water source?
One must have a wide range of knowledge to ________ the changing market.
— I phoned you at 7 yesterday evening but nobody answered. — Oh, I ________ my dog in the park then.
-I wonder if I__________smoke here.一NO, you . You see,there is a“NO SMOKING”sign here.
Take care during the holidays! Drinking too much can heart disease and cause high blood pressure.
--- Have we ________ water? --- Yes, ________. We’d better get some.