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Twelve students danced with twelve big schoolbags on Children’s Day. They wanted to show people how    1   they were! They looked forward to   2    small schoolbags. In fact, big schoolbags have been a serious problem for students for a long time. They are too   3    to carry, and it’s also not convenient(方便的)   4    students want to take a book out to read. But now this problem seems to be solved(解决). An e-textbook was invented and it will help   5    poor children. 
It is said that e-textbooks will be    6   in middle schools in our country. An e-textbook is a small    7   for each student. It’s   8    lighter than an ordinary schoolbag. Although it is as small as a book,    9    it can hold all things for study. Would you like to have   10   ?

A．happy B．poor C．interesting D．exited

A．taking B．bringing C．having D．carrying

A．small B．big C．heavy D．light

A．when B．where C．why D．what

A．this B．that C．these D．them

A．produced B．practiced C．made D．used

A．pen B．computer C．bag D．book

A．less B．much C．more D．many

A．/ B．but C．and D．so

A．it B．own C．one D．a