— Show me your permit, please.
—Oh, it's not in my pocket. It_______________.
| A．might fall out | B．could fall out |
| C．should have fallen out | D．must have fallen out |
As a green hand, he doesn’t know______ it takes to start a business here.
| A．when | B．how | C．what | D．which |
He is looking for a job, ______ where he can make the most of his talent.
| A．it | B．one |
| C．that | D．the one |
—Oh, must you leave? Having dinner with you was such ______ fun.
—Thanks all the same, but I have to make ______ early start tomorrow morning.
| A．/; an | B．a; an |
| C．/; the | D．a; the |
Much to his disappointment, what he had devoted himself to＿＿＿in nothing but failure.
| A．resulting | B．was resulted |
| C．has resulted | D．resulted |
一Would you mind if I ask you where you live?
---＿＿＿＿
| A．Sure. Here in Beijing. |
| B．Not in the least. In London. |
| C．Of course. Go ahead. |
| D．No. You can't do that. |