There is ________"u" and ________"h" in the word "hour".

Do you have ___ basketball? Let’s play ____ basketball after school.

He went to England by______ plane.

My uncle bought a car yesterday．_________ car was made in Guangzhou．

 This is _____ third year that China has taken part in the activity Earth Hour. But we hope we can try our best to make the earth ____better world.