What can we learn from Lei Feng? — We should not only think about , we should think about others as well.

You are tired. You _____ go to bed early.

My daughter wants a rabbit for long, but I have no time to buy__for her.

The zoo keeper is worried because the number of visitors ______ smaller and smaller .

Is this model plane yours,Susan?–Yes,it’s mine.It’s made by_________.