This is ____ bike. ______ is over there.

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

Now many people like to play a game ___________“QQ Farm”.

It was three o’clock _______ he came back from work.

This weekend I asked students_____ subjects.[ ]