. Once your business becomes international, _____ constantly will be part of your life.
| A．you fly | B．your flight | C．flight | D．flying |
The doctor told me that you just had a strange cold , so you can______.
| A．take it seriously | B．take it easy | C．take your time | D．take your chance |
Had it been possible I would have gone to the movies but I _____ busy.
| A．had been | B．am | C．was | D．would be |
_____ your advice, I would have had no trouble with my papers.
| A．Had I followed | B．If I followed | C．If I have followed | D．Once I followed |
You’d better not bring your small son along, for this party is _____for only adults.
| A．available | B．approachable | C．automatic | D．appropriate |
People wrote letters to get in touch.Nowadays email has _____the way people communicate.
| A．conveyed | B．translated | C．transformed | D．exchanged |