在电话中介绍自己是谁,你可以说: A. I am Peter. B. My name is Peter. C. This is Peter.
eleven — five =_______A.fourB.six
one + six =___________A.sevenB.eight
nine ÷ three =________A.fourB.three
four × three =________A.eleven B.twelve
seven - five =________A.threeB.two