1.(2015四川南充,32) It’s reported that people throw 　　　plastic bags along this street every day. 

A.hundred                B.hundreds

C.hundred of             D.hundreds of

2.It’s our 　　　to have fresh air and clean water. 

A.dream                   B.trouble

C.problem                D.waste

3.The child doesn’t need any help.He is old enough to 　　　himself. 

A.put on                   B.wear

C.dress                     D.take care

4.(2015江苏盐城,3)Daniel,　　　 play with the mobile phone while you’re walking in the street. 

A.don’t                  B.doesn’t

C.won’t                  D.can’t

5.(2015湖南郴州,28) Don’t forget 　　　it to me when you finish reading the book. 

A.to bring　　　B.bringing　　　C.bring