Just as the saying goes, “_______”, computer games also have some disadvantages though they are popular among teenagers.

If you are in the zoo, remember not to touch or go near the animals. Although some of the animals are cute, you _________ leave them alone.

Excuse me. Do you know the way _____ the park? —Sorry, I don’t know. You can ask the policeman. [ ]

When you have borrowed a book from the library, you should keep it well, as if it were ______ of ______.

“Hi, Jim. We are going to play basketball this Sunday.” “______.” [ ]