you can never be ------- careful when cross the street A less B more 该选哪个?

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• you can never be ------- careful when cross the street A less B more 该选哪个?
• 1.---Believe it or not,I passed the driving test at the first attempt yesterday.-great But remember you can never be ____careful when drivinga car in the street.A enough B rather C quite D too为什么不能选A2.Uncle Jack is_____.A my father and mother’s friendB my father ’s and my mother’s friendC a friend of meD a friend of my mother’s and father ’s选A为什么不选B3.“I don’t think it’s my______that the TV blew up.Ijust turnedit on.That’s all,”saud the boy.A errorB mi
• you can never be ------- careful when cross the street A less B more 该选哪个?我觉得应选B,can"t more　不是“再也不为过”的意思吗?
• Look around while you are crossing the street!You can never be （ ）careful.A.enough B.too C.so D.very选哪个?为啥?
• 若函数f（x）=（x+a）（bx+2a）（常数a、b∈R）是偶函数，且它的值域为（-∞，4]，则该函数的解析式f（x）=_．
• 一个三位数是它各位数之和的27倍,知百位数字与个位数字之和比十位上数字大1.如果