题目内容：

根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。

1.Many new buildings are being ________（建造） these days.

2.Lang Lang is a __________（著名的） pianist.

3.The boy is having great fun _________（观看） a basketball match on TV.

4.The __________ （北面）side of the building gets less sun than the south.

5.The Sandy Beach is rather_______(拥挤的) at this time of year.