I like this house with a beautiful garden in front , but I don’t have enough money to buy__________.

Recycling is one way to protect the environment; reusing is ______. 

Some people would rather ride bicycles as bicycle riding has _____ of the trouble of taking buses.

Mrs. White managed to settle the quarrel between Lei and Rain without hurting the feelings of______．

When you go outing with the children, you must see to ______that they are safe.