(重庆一中高三下第三次月考)13. There are many smokers in China, _____ the number of students who pick up this habit _____ increased a lot.
---Did you visit the Big Ben in London? ---No, we_________ it, but we spent too much time shopping.
He was satisfied because his work was_________.
Don’t take things________ others.
It was reported that many helicopters were sent there _________the missing passengers.
---May I open the window to let in some fresh air? ---__________.