I don’t know ____________.
| A．how much the population in Beijing is |
| B．what is the population of Beijing |
| C．how much is the population in Beijing |
| D．what the population of Beijing is |
—Do you mean that we have lost our way?
—_________!
| A．All right | B．No problem |
| C．Certainly | D．Exactly |
— Jenny, it seemed that your partner didn’t dance well.
— Oh, _____Three boys to choose from and I picked the stupid one.
| A．you can’t be serious! | B．couldn’t be better. |
| C．don’t mention it. | D．just my luck! |
Jeff is hard-working. He seldom, _____, comes to work late and leaves off early.
| A．if so | B．if ever | C．if any | D．if not |
You won’t stand out in the team _____ you train harder than other players.
| A．unless | B．once | C．since | D．when |
At first she refused to admit her fault but she _____ apologizing finally.
| A．set about | B．ended up |
| C．put off | D．depended on |