________ I forget, please remind me about it.
| A．In case | B．So that |
| C．In order that | D．When |
Ladies and gentlemen, please fasten your seat belts. The plane __________.
| A．takes off | B．is taking off |
| C．has taken off | D．took off |
When delivering the speech, you can __________ your note if necessary.
| A．refer to | B．come across |
| C．look after | D．watch out |
—I'm going to travel to America. Would you consider telling me about your experiences there?
— __________. Let's discuss it over dinner.
| A．That's all right | B．By all means |
| C．Go ahead | D．it just depends |
Not until he left his home __________ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．he began | D．he has begun |
If a lot of people say a film is not good, I won't bother to see it, or I'll wait __________ it comes out on DVD.
A. whetherB. after
C. thoughD. until