I’m in Class 4. Are you in Class 4, ____?
He made a mistake, but then he took action to change the situation ________ it got worse.
Having ________ exercise every day will do great good to your health.
— I’m new in Wuxi. — Take a map of Wuxi with you. You’ll find it of great ________ in helping you to get round Wuxi.
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.