When he was in that city, he _____ go to that park once a week.
You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.
一I’d like to take a long holiday.一 . We are too busy!
—Peter, let’s check what we still have left.—Well, _____ is no use evaluating the total loss before the typhoon leaves.
In the factory, the helmets the workers wore varied _____ color according to their different posts.
The medicine bought at a high price turned out to have no _____.