----- Now that you like the portable personal computer so much, why not buy one? It is of great use to your work. ---- Well, I can’t afford _____ computer at present.
—I hear Jane has gone to the Holy Island for her holiday.—Oh,how nice!Do you know when she ________?
The discussion ________ alive when an interesting topic was brought in.
My mind wasn't on what he was saying,so I'm afraid I ________ half of it.
All the preparations for the task ________,and we're ready to start.
Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.