1. I was impressed (impress) by the splendid museum. There are many impressive art collections on display. During the course of visiting, the guide made a good impression on me. (impress)
2. It is his constant effort and previous work experience that make him successful. To his delight, he is constantly invited to give a speech about his achievement. (constant)
3. The tourist attraction is surrounded by mountains on three sides. So the surroundings are pleasant and beautiful, which is beyond description. The surrounding countryside makes a lot of money from tourism. (surround)
4. He has a very tolerant attitude towards other opinions. But he is unwilling to tolerate others’ rough remarks. (tolerate)