问题

For English teachers_____ a more effective role in teaching, they must make every effort to raise students’ cross-cultural awareness. [ ]

A: to play
B: playing
C: having played
D: play

正确答案是：

同类题型

We can’t have some students ______ cheating in the exam.

ond, please I have another call coming through—I’m not in a hurry

Excuse me, where is the nearest post office— There is one just the corner.

It is said that they __ $ 200, 000 for the house up to now

We may find that learning a foreign language does not have to be ____learning our mother tonguebut can in fact be as easy [ ]