问题补充:
The teacher told us to the recorder and read the dialogue three times.
A. listen
B. listened
C. listening
D. to listen
答案:
A. listen
B. listened
C. listening
(答案→)D. to listen
解析:句意:老师让我们听录音,读三遍对话。told 的原形是tell,告诉,它的句型是tell sb. to do sth.,根据这一句型我们可以知道这里应该用动词不定式的形式,故选D。