There is a river ____ my house.

To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.

There is said to be no medicine for a cure _____lung cancer.

You should go to bed early, ____________you will feel tired in the morning.

How did she lose so much weight as expected?— ________eating less, she jogged for several miles every day[ ]