根据情景内容，在空白处填入合适的单词。
A: Hello, Jenifer. People always say it is important to have a dream. (1)________do you think of it?
B: I agree (2)_________it. If we have a dream, we can be hopeful and young at heart.
A: That’s true. Dreams help us make a difference in life. I’m afraid that it is too late to have a dream at the age of thirty.
B: You are never (3)_________old to dream. Age means nothing when we know what we want.
A: How can I (4)_________my dream?
B: First, you must be clear about what you want from life.
A: What’s the next step?
B: Next, make a plan and never give (5)________.
A: I see. Thank you for your suggestion.