You ______ last week if you were really serious about your work.a. ought to come b. ought to be coming c. ought have come d. ought to have come
If we learn to accept change and appreciate what is new and different, we will be well-prepared for whatever the future may have _______.
—Though it __________ in the desert most of the year, people still live there.—That’s the case. They say east or west home is the best.
Many experts seem to agree that _______ certain limit should be set on ________ consumption of cars to ease air pollution.
— It’s reported in the local newspaper that the murderer was caught in a small town. — ______
Unemployment in some western countries is on the crease. A growing number of young people, ______, are finding themselves out of work.