Professor Williams keeps telling hisstudents that the future to thewell- educated.

Where are Tom and Mary–____ Tom _____ Mary is busy with theirhomework. You’d better play with.

After dinner, he used to football, but now he gets used to .

You had better ________ some time every day for sportsso that you can keep yourself energetic.

_______ it be true that the road is being blocked at this moment, for cars are moving like snails inch by inch