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 __________ (use) E-textbooks. Some teachers say that they make learning easier and __________ (teach) more convenient.
Jing Xuan is excited about lessons like Chinese, English and math. She__________ (enjoy) the pictures and animations(动画）in the E-textbooks. The children here __________ (study) with E-textbooks since last September
With the help of the E-textbooks, some good ideas __________ (share) at times. Some parents encourage their children __________ (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  __________ (learn) with E-textbooks in the future. However, there’s still a long way to go.” said the headmaster.