Thelastparagraphisabouthowtoteachateenager______.
A.tousethephoneinasensiblewayB.topayforhisowntelephone
C.tosharethephonewithfriendsD.toanswerthephonequickly
正确答案:A
Thelastparagraphisabouthowtoteachateenager______.
A.tousethephoneinasensiblewayB.topayforhisowntelephone
C.tosharethephonewithfriendsD.toanswerthephonequickly
正确答案:A