As I entered the room, I noticed an old man sitting.........................(after, behind) an enormous desk.
举一反三
- When I entered the room, the problem .
- Do you sit at a desk? A: Yes, I do sit at a desk. B: Yes, I sit. C: I sit on my chair. D: I can sit at a desk.
- When I entered the room, he pretended (read) ______ a book.
- 改成被动语态I look after the old man.--> The old man_________ after ________ me.
- When I entered the study, I found my father ________ at the desk and _________ something. A: seat, read B: seated, read C: seated, reading D: seating, reading