—When did you get to know the professor over there? —It was at the work shop we did reserch to gether two years ago.
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.
Please make sure the light will _____ if no one is in the room.
It is a pity that the quarrel _____ their friendship.
---Will you walk a little faster? ---I was afraid you could not _____ .