—I'll ask the teacher about the attributive clause. I'm very puzzled about it. —That's just __________ most of our classmates have doubt.
When I got to the school, the first class _____.
Mother promised she _____ me an English-Chinese dictionary.
She objects to _____ loud music _____ while she reads newspapers.
If it _____, we will go to visit the zoo.
Our English teacher _____ all the exercise books last Friday evening.