______ this afternoon, you would have to come again next week．
| A．The boss didn't return | B．The boss were not to return |
| C．Were the boss not to return | D．Didn't the boss return |
It’s hard to rescue drowning people because they ________ so much.
| A．sink | B．swim | C．jump | D．struggle |
We make sure we’re always well stocked up with candles, just ________.
| A．in case | B．for certain | C．in practice | D．for use |
I’ll have to change my clothes before I go out — I don’t want ________ like this.
| A．to see | B．seeing | C．to be seen | D．being seen |
She wrote a famous book, and so ________ a place in history.
| A．winning | B．to win | C．to have won | D．won |
“Have you ever eaten snails?” “No, and I hope I ________.”
| A．will never | B．never will | C．have never | D．never have |