Nowadays teachers feel they can’t help every student suitable reading materials so they

问题补充：

Nowadays teachers feel they can’t help every student suitable reading materials, so they encourage them English on the Internet.

A. finding; learning

B. to find; learning

C. finding; to learn

D. to find; to learn

答案：

A. finding; learning

B. to find; learning

C. finding; to learn

(答案→)D. to find; to learn

解析：考查短语：help sb to do sth 帮助某人做某事，encourage sb to do sth 鼓励某人做某事。句意：当今老师们感到他们不能帮助每一个学生找到合适地阅读材料，因此他们鼓励学生们在网上学英语。故选D。