Please lock the door;______, bring the umbrella to me. It looks as if it is going to rain.
Although most of them have no doubt ____ he will pass the exam, I still think there is something about _____ he has really got everything ready.
Jack has been working hard these days.It's obvious that there is ________he is eager for but didn't mention to us.
With the on-going campaign of banning cigarette,the number of people who have given up smoking________.
The video,Gangnam Style,is becoming the first video________ more than one billion views.
The problem is so complex that I'm afraid it will take me several hours to________.