用所给单词的适当形式完成句子。

1. The audience ______ (clap) loudly for his wonderful performance.

2. The shop ______ (open) at nine o’clock.

3. It was the most ______ (education) experience I have ever had.

4. Receiving letters from their aunt who lives in Scotland gives the family much ______(happy)

5. I was ______ (encourage) to hear you’ll be giving us your support.

被恩格斯称为“中世纪的最后一位诗人，同时又是新时代的最初一位诗人”的是（）。