----- 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.
He prefers to live in native Hong Kong ________ the United States, because he can’t ______ speaking English every day.
Not until I dropped off from school ____ how much time I had wasted.
----Why don’t you ______ to a more sensible method? ----Well, I’m thinking about it.
—May I watch TV for another 15 minutes, Mum? —Oh, dear, if you _____.
The entire hall burst into a great cheer and applause _______ the Nobel Prize winner appeared on the stage accompanied by the chairman.