Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.—I agree. Something to deal with it.
_____ the weather like today? — It’s very cool.
Bring the plants into a warm room ________ they will grow quickly.
Peter’s father is a _______ math teacher.—I think so. He teaches _______.
Peter could hardly see the words on the blackboard, ________?