You _______ cross the road when the traffic lights are red.
This is ____book I bought yesterday. Isn't it _____useful one?
I think the story is not so ______ as that one.
The Long River is one of ______in China.
– How does John get to school? – He______ his bike to the subway station, then he ______ the subway.
How______ is it from your house to the shop?