There is ________”h” and ________”u” in the word “hour”.

About one third of the population in Beijing and Shanghai ______ netizens, but in poorest areas, only three or four percent ______ online.

The ____________man can carry some water every day.

You are late again. The class _________ for five minutes.—Sorry. There’s something wrong with my bike.

Mr. Wang is going to meet Kitty and _____ at the school gate tomorrow morning.