You can borrow my car___you promise not to drive too fast
| A．unless |
| B．even if |
| C．in case |
| D．as long as |
Would it be ______ for you to pick me up at one o’clock and send me to the school?
| A．free | B．vacant | C．handy | D．convenient |
When he was young, he used to ______ hard at his lessons.
| A．devote to working | B．devote himself to work |
| C．be devoted to work | D．be devoted to working |
Mary is very clever and ______ worth teaching, but her brother is not．Look, he is now ______ asleep in class．
| A．very, very | B．much, very | C．well, fast | D．well, very |
--- Could you be so kind as to close the window?
--- ______.
| A．With pleasure | B．Go ahead | C．Yes, please | D．That's nice of you |
— We did not see him at the lecture yesterday．
— You ______ him, since I went to an international conference with him．
| A．mustn’t have seen | B．can’t have seen |
| C．couldn’t see | D．needn’t have seen |