—We can give you a ride into town.
—________ Thank you.
| A．Yes，why not? |
| B．Oh，it would be my pleasure. |
| C．Yes，please. |
| D．Oh，that would be great. |
Bats are surprsingly long lived creatyures, somea life span of around 20years.
| A． |
having |
B． |
had |
C． |
have |
D． |
To have |
Experts think that ____recently discovered painting may be _____ Picasso.（）
| A． | the.不填 | B． | a;the | C． | a;不填 | D． | the;a |
—I’m sorry I didn't make it to your party last night .
—_ _.I know you're busy these days.
| A．Of course | B．No kidding | C．That's all right | D．Don't mention it |
---You could always put the decision off a little bit longer.
---_____ If I leave it much longer I might miss my chance.
| A．That’s reasonable advice. | B．Isn’t it a good idea. |
| C．Do you think so? | D．I can’t agree more. |
---I left my handbag on the train, but luckily someone gave it to a railway official.
---How unbelievable to get it back! I mean, someone ______ it.
A．will hav e stolen |
B．might have stolen |
| C．should have stolen | D．must have stolen |