--- Who told you my address ? --- I don’t remember clearly. It _____ Li Mei.
---It _____ Li Mei. She doesn’t know it.
| A．can be; mustn’t be | B．may have been;must have been |
| C．may have been; can’t be | D．must have been ; can’t have been |
________in the computer games，the boy no longer put his heart into study.
| A．Absorbing | B．Losing | C．Absorbed | D．Devoted |
Dr. Bake is a professor of physics. ________，he is a famous writer.
| A．In all | B．In brief | C．In fact | D．In addition |
No matter how I tried to read it，the sentence didn’t ________to me.
| A．understand | B．make out | C．turn out | D．make sense |
You should read the ______in the car repair manual(手册)carefully before you start.
| A．instructions | B．instruction | C．introductions | D．explanations |
Who is ________the fire in the kitchen?
| A．blame | B．to blame for | C．blamed | D．blame for |