短文填空（共7小题，计7分）
用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。
Now more than 20 schools in the northwest of China 小题1: __________ (use) E-textbooks. Some teachers say that they make learning easier and 小题2:__________ (teach) more convenient.
Jing Xuan is excited about lessons like Chinese, English and math. She小题3:__________ (enjoy) the pictures and animations(动画）in the E-textbooks. The children here 小题4:__________ (study) with E-textbooks since last September
With the help of the E-textbooks, some good ideas 小题5: __________ (share) at times. Some parents encourage their children 小题6:__________ (try) the E-textbooks to make learning easier. But others worry about their children’s health.
“You can’t imagine how the growing popularity of E-textbooks is changing the way the students learn! More and more students 小题7: __________ (learn) with E-textbooks in the future. However, there’s still a long way to go.” said the headmaster.
小题1:are using
小题2:teaching
小题3:enjoys
小题4:have studied/have been studying
小题5:are shared / can be shared
小题6:to try
小题7:can learn / will learn
题目分析：介绍电子课本的优点以及越来越多的学校同学使用。将来会有更多的人使用。
小题1:由时间状语now可看出本句用现在进行时，主语是schools 故填are using
小题2:固定用法 make + 宾语 + 形容词（宾补）结构，动名词做宾语，make teaching more convenient 使得教学更便捷
小题3:由Jing Xuan is excited about lessons like Chinese, English and math.可知此句也用一般现在时，主语 是 she ,为第三人称单数，故动词为enjoys
小题4:由时间状语since last september 可知 ，本句用现在完成时，主语是children
小题5:在电子课本的帮助下，一些好的观点时常被分享。主语和动词为被动关系，故用被动语态
小题6:固定短语 encourage sb to do sth 鼓励某人干某事。
小题7:时间状语 in the fututre(未来)可知本句用一般将来时结构 will+动词原形
