Smoking and drunkenness (酗酒) are both bad for people’ s health.— Yes, So we should __ cigarettes and alcohol (酒精) .

The small factories the fall of the prices.

Tom ___________ three baseballs, but he doesn’t _____________ a baseball bat.

They produced two reports, ______ of which containedany useful suggestions.

The problem with being a time waster is _____the online game playing often spills over into the periods of time that should be productive