五分之二与七分之二的和乘以个数,等于五分之二,这个数是多少
两辆汽车同时从相距123千米的两地相对开出,四分之三小时后,两车在途中相遇.甲车每小时行85千米,乙车每小时行多少千米?用所给单词的正确形式填空 my mother often___[read]some books about America,she___[go]America next month miss green___[talk]with Mr.Brown in the class room now she usually___[paint]some pictures on sunday Are you going to___[take]the NO.1 bus