I hope we only have half an hour ____ homework, so we can have more time ___ our hobbies.

The little boy is too young to dress ____________, let’s help him.

Rather than _______ on a crowded bus, he always prefers________　a bicycle．

I am lucky ______ the thing I enjoy doing most is ______ I’ve ended up doing.

Where is Mr Brown? — In the garden. He ______ the flowers.