— Mum, I really think Dad should have a break and get relaxed. — Yes. He _______ too long.
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.
Today,we will begin ________ we stopped yesterday so that no point will be left out.