—Robert is indeed a wise man.—Oh, yes. How often I have regretted ______ his advice!
Why not try your lick downtown, Bob? That’s __________ the best jobs are.
The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make __________ it is.
__________ parents say and do has a life-long effect on their children.
__________ matters most in learning English is enough practice.
Choosing the right dictionary depends on __________ you want to use it for.