不少农民“跟风种地”,去年市场什么品种走俏,今年就种什么品种,结果往往事与愿违。“跟风种地”的失败,从哲学上看,是因为他们没有( )
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
When I was a child, I ________ watch TV whenever I wanted to.
The little girl is walking along the beach, happy and joyful, ________ bending down to pick up a beautiful seashell.
Whatever background you come from, you can be ________ successful with your hard work like many others.
As we all know, ________ medical examination will help us find our health problems as early as possible.