________ birds use their feathers for flight, some of their feathers are for other purposes.
A.Once B.If C.Although D.Because
There is no greater pleasure than lying on my back in the middle of the grassland, at the star.
A.stare B.staring C.stared D.having stared
I before I came to the new school, for my classmates here are very friendly to me.
A.mightn’t worry B.mightn’t have worried
C.needn’t worry D.needn’t have worried
A huge was lifted from my shoulders when I told my parents about my problems.
A.burden B.risk C.hole D.disaster
假定你是李华，你的外国朋友Chris在电视里看到中国春运，发邮件向你询问有关情况。请你回复一封邮件，内容包括：
1.原因及时间；
2. 30多亿人次流动；
3.交通方式。
注意：1. 词数120左右；
2. 可以适当增加细节，以使行文连贯。
参考词汇：春运Spring Festival travel season
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假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错仅涉及一个单词的增加、删除或修改。
I can’t forgot one of the most coldest nights I experienced. It was six in evening and cold winds were blowing strongly outside. The water from the tap were icy cold, and made my fingers numb. We all decided to staying inside the house. My mother made hot tomatoes soup for us. It was great to have the hot soup, as it made me feel warmly. Around nine at night, it starts snowing heavily. Look outside the window, I saw snow falling on everything. My mother held me tightly in my arms and I soon fell asleep.
