According to recent reports, one of the rare animals, _______ crocodile, will be in danger of dying out in _____ 2020s．
| A．a; / | B．the; the | C．the; / | D．/; the |
—I'm sorry for being late.I should have phoned you earlier.
—________.I've just arrived.
| A．That's no trouble | B．You are welcome |
| C．That's all right | D．You can never tell |
—Look，here comes your dream girl.Invite her to dance.
—________ What if she refuses me?
| A．I don't know. | B．Why me? |
| C．With pleasure. | D．So what? |
—I love the Internet.I've come to know many friends on the Net.
—________.Few of them would become your real friends.
| A．That's for sure | B．It's not the case |
| C．I couldn't agree more | D．I'm pleased to know that |
—May I help you？You seem to be having some problems.
—________，thanks.I think I can manage.(2012·安徽)
| A．All right | B．No problem |
| C．It's all right | D．There's no way |
—What shall we do tonight then?
—________—whatever you want.(2012·全国Ⅱ)
| A．Help yourself | B．It's a deal |
| C．No problem | D．It's up to you |