题目内容

Your total free reading time per day ______one hour, no matter how many books that you have downloaded.

A. is limited to
B. limited to
C. was limited to
D. is limiting to

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Online buyers like to see an image of what they will be getting for their money and e-books are no_____ .

A. use
B. exception
C. good
D. benefit

I think it would be sad to see books totally die out so please, can you help keep books ______by not buying an e-book?

A. living
B. live
C. alive
D. lively

There are many benefits to e-books as compared to ____ textbooks including price and ease of access.

A. natural
B. traditional
C. advanced
D. initial

Once you purchase one of our e-books, you can download it as many times as you like, on any of your _____.

A. leisure
B. convenience
C. confidence
D. convenient