All the students are seated in the classroom, actually good at their study, listening attentively.
20. The reason ________ many people like the film Not One Less is ________ most of the people in the film use their real names and play themselves.
19. I made a bad impression ________ the teacher ________ arriving late on my first day.
18. –May I use your pen? --________!
17. Can you lend me the book ________ the other day?
16. I ________ an invitation from one of my friends, but I have no idea ________ it or not.