We should study_______and stay_______.A.hard;healthy B.hardly;healthy C.hard;healthly
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
English book A.英语书B.语文书 C.故事书