根据句意用括号中所给单词的适当形式填空。

小题1:These days, she is getting ready for her ______________ (twenty) birthday party.

小题2:I don't know why she looks ______ (angry)at me? Could you tell me?

小题3:He says he will teach ________ (he) English.

小题4:It's difficult for us to carry on a conversation in such a ________ （noise） room．

小题5:It was a__________ (please) tour. We all had a wonderful time.

某建筑物的建筑面积100m²，单位建筑面积的重置价格为500元／m²，判定其有效年龄为10年，年平均折旧率为2%，用直线法计算该房屋的现值为4万元。（）