People often—1—sign language.It's important and it's easy to

People often—1—sign language.It's important and it's easy to—2—.
When you nod your head,you're using sign language.When the teacher asks you some questions in class,you—3—your hand.It means you are saying,"I think I can answer the question ."Sign language is very—4—.Even when you are—5—with your friend,you can talk with him or
her under water.
1.A.talk B.speak C.use D.say
2.A.understand B.do C.say D.use
3.A.put B.put up C.put on D.put in
4.A.usual B.beautiful C.careful D.helpful
5.A.reading B.singing C.swimming D.going