11.The music(音乐)is______.I like it.

A.well             B.relaxing

C.boring          D.bad

12.There are five people in  a ______team.

A.basketball        B.baseball

C.volleyball        D.soccer ball

13.We need one ping­pong ball and two ______.

A.ping­pongs bats       B.ping­pongs bat

C.ping­pong bats           D.ping­pong bat

14.The question is not easy.It's very ______.

A.difficult         B.difficulty

C.relaxing         D.not difficult

15.Mr.Black doesn't like the lecture(演讲).It is ______.

A.interesting           B.boring

C.fun             D.relaxing