问题
选择题
Teachers should _____ their students to practice _____ English often.
A.encourage; speaking B.let; speak C.keep; speak
答案
答案：A
题目分析：句意：老师应该鼓励学生经常练习说英语。encourage Sb to do sth 鼓励某人做某事；practice doing sth 练习做某事,practice +n. / ving. 动名词作宾语表示抽象的动作，结合语境可知本句中表示的是抽象的动作，故选A