1. Learning through the Internet is a new style that many people believe is more successful than the traditional form of teaching. The Internet __1__ schools to develop a large __2__ of learning material that is accessible (可得到的) for students online anytime. There are so many choices of courses and __3__ that completing a program __4__ not a problem for students anymore. We found that online education gives us __5__ sources of information, saves our time, money and it is very convenient.

1).

A. subjects

B. amount

C. allows

E. is