( ) She goes to bed _______ 9:20. A. at about B. about at C. in about
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