问题

Most students like the teachersunderstand them well.
A:which
B:who
C:where
D:when
B:who
C:where
D:when
正确答案是:
同类题型
I have been to London. I ____________ there last month.
_______ of the materials I listened to at the beginning of the exam _______ easy.
Look! What’s happening there?—Must be an accident. Call 112 or 110 _____ the phone right now.[ ]
I was not good at math, so my friend helped me _____ it last night. [ ]
When did Mr. Smith come here? —________ nine o’clock yesterday morning. [ ]