Mr. White ________ at 8:30 for the meeting, but he didn’t show up.

To find out _______ young people think about the future of urban life, a teacher in the US. asked his students to think ______ they would run a city of 50,000 people in 2025.

I don’t know this English word(单词).—-Well,here is a ______ and it can help you.

Only after Mary read her composition the second time ________ the spelling mistake.

Michael has a temperature, so he isn’t able to come.—____