Not until he retired from teaching three years ago ________having a holiday abroad.(2012·辽宁,32)
---Let’s go to the lecture on International Trade this evening. ---That’ s great. I’ll _____ you at 6: 30.
Chemicals in the body _____ our food into useful substance.
You may _____ studying English, but in the long run, you’ll be glad that you did.
David likes country life and has decided to _____ farming.
The simple joy of reading is something we take for granted. But many people have had to _____ this pleasure because of poor eyesight.