Thelastparagraphisabouthowtoteachateenager
A.tousethephoneinasensibleway
B.topayforhisowntelephone
C.tosharethephonewithfriends
D.toanswerthephonequickly
正确答案:A
Thelastparagraphisabouthowtoteachateenager
A.tousethephoneinasensibleway
B.topayforhisowntelephone
C.tosharethephonewithfriends
D.toanswerthephonequickly
正确答案:A