Smart phones are more and more popular now.—So they are. But they still ________ too much.

Which of these shirts do you like best?— I’ll take. They are all expensive and out of fashion.

When the candle stopped burning, it had __________ the oxygen in the air.

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

It was not until mid-nightthey reached the camp site.