The air in Dongying is much worse than that in many other cities. We must do to protect our environment.

Where Are We Going,Daddy，_______realitv show of Hunan TV station， is becoming more and more popular.

____will the meeting be over ——In an hour.

eedn’t take an umbrella It isn’t going torain — Well, I don’t know It______do

Every minute is made full use of ______ our lessons before the exam.