Mr. Green told us _____ turn the lights off when we leave the classroom.
--I think students should have mobile phones to call their parents.--______. They often use them to play games instead.
It’s fun _____ lantern riddles during the Lantern Festival.
______ disappointed she will be if she knows the result of the match!
I wonder ______ you would like to go hiking with us this weekend.
______ you read it, you can’t imagine how moving the story is.