对下列加点词的意义和用法的分析，正确的一项是(　　)①穷且益坚 ②若属皆且为所虏③宾主尽东南之美 ④臣之壮也，犹不如人

When Daniel feels blue, he likes wearing orange to _____.

What does the notice on the wall say? — “No person _____ take books out of the reading room; otherwise he _____ be fined.”

I don’t doubt _____ he will pass the exam.

Now where was I —You _____me about your travels inCanada