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
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D解析考查固定结构。they can’t help every student ________，用的是can’t help sb (to)do sth.不能帮助某人做某事；so they encourage them __________ English on the Internet.用的是encourage sb to do sth.鼓励某人做某事。所以选D。