---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
| A．on; by | B．by; by | C．on; on | D．by; on |
I want to thank my friend John, without _____ help, I wouldn't have been saved.
| A．his | B．whose | C．whom | D．Which |
— Look! Somebody _____the sofa.
— Well, it wasn't me. I didn't do it.
| A．is cleaning | B．was cleaning |
| C．has cleaned | D．had cleaned |
_____ on folk tales, Mo Yan's novels become a mixture of fantasy and reality.
| A．Based | B．Basing | C．Base | D．To base |
No matter how busy he is, he makes _____a rule to surf the Internet for information.
| A．him | B．this | C．that | D．it |
— Tom was late for work this afternoon.
— _____？As far as I know, he is fairly punctual.
| A．Why not | B．So what | C．How come | D．How about |