问题
选择题
We teachers should ______ students ______ us questions in class.
A．be allowed, to ask
B．let, to ask
C．encourage, to ask
D．allow, ask
答案
答案：C
题目分析: 句意:我们老师们应该鼓励学生们在课堂上提问题。Be allowed被允许，let让，encourage鼓励，allow允许。根据语境是鼓励学生，encourage后接带to不定式，故答案选C.