英语开放探究题1.Mary is 12 years old.two years ago,she was twice as
英语开放探究题
1.Mary is 12 years old.two years ago,she was twice as old as her brother Jack.How old is Jack now?How old will Mary be when Jack is twice his present age?
2.Peter is 15 years old.Three years ago,his younger sister Michaelle was half Peter's age.How old is Michaelle now?
3.why is room full of married people empty?
1.Mary is 12 years old.two years ago,she was twice as old as her brother Jack.How old is Jack now?How old will Mary be when Jack is twice his present age?
2.Peter is 15 years old.Three years ago,his younger sister Michaelle was half Peter's age.How old is Michaelle now?
3.why is room full of married people empty?
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你能帮帮他们吗