If you are traveling ________ the customs are really foreign to your own，please do as the Romans do.

In peace，too，the Red Cross is expected to send help ________ there is human suffering.

You'd better not leave the medicine ________ kids can get at it.

________ unemployment and crime are high，it can be assumed that the latter is due to the former.

(2010·重庆)Today，we will begin ________ we stopped yesterday so that no point will be left out.

I travel to the Binhai New Area by light railway every day，________ do many businessmen who live in downtown Tianjin.

Jack wasn't saying anything，but the teacher smiled at him ________ he had done something very clever.(2011·湖南)

Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.

I would appreciate it ________ you call back this afternoon for the doctor's appointment.

John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party.