I think that the best ___ to visit Hannan Island is in November because the weather is excellent then.
The strong young man can swim ______ the river.
The boss(老板) makes the workers _____ these machines(机器) for ten hours a day.
—Kangkang, will you _____ your photos _____me tomorrow? —OK.
Early to bed and early to rise ______ a man _______.
_______ bad or good for your health?