鸡兔共有脚48只，如果将鸡的只数与兔的只数互换则共有脚42只，鸡兔各多少只？

I have two pen pals. One is from    . Her name is Jessica. She lives     her parents in Toronto. She is      outgoing(外向的) and smart girl .She likes singing and    .Chinese music is her favorite. So she often writes letters to me to talk     Chinese music. The other     from Tokyo .She is a      girl .She keeps many cats at home,       she likes little animals so much. In her letters, she often tells me about her pets and interesting Japanese cartoons .I often write to her     Chinese, because she is       Chinese by herself.

小题1:	A．China B．England C．Canada D．the US

小题2:	A．with B．and C．or D．about

小题3:	A．a B．the C．/ D．an

小题4:	A．dance B．dances C．Dancing. D．Danced

小题5:	A．to B．with C．about D．in

小题6:	A．be B．are C．come D．is

小题7:	A．Japan B．France C．Japanese D．French

小题8:	A．so B．but C．because D．if

小题9:	A．at B．in C．on D． for

小题10:

A．learn B．learning C．learns D．learnt