Sun Yang is good at______, we all like him.

The teacher told the monitor to ______ all the students’ names who were absent from class.

do you find Johnson’s last party—Well, it couldn’t have been . In fact, I won’t go to his party next time.

________ entered the classroom _________ the bell rang.

It’s the fourth time that heavy smog has hit the city this month.— It’s high time we _______ measures to fight airpollution.