— What’s your mother’s job?— ____________.A. She’s friendly.B. She’s a doctor.C. Yes, it is.
eight - one =________ A.seven B.four
twelve ÷ six =________ A.three B.two
three × three =________ A.nine B.six
four + five =________ A.nineB.ten
eleven A.十B.十一C.十二