题目

根据句意和汉语注释，写出单词的正确形式。【1】I usually go to the __________ (draw) lessons at weekends.【2】Can you write down all the ________ (play) names on the paper?【3】The boy likes skating and he goes skating _________ (two) a week.【4】It’s very sad that 15 people lose (丧失) their _______ (life) in the bus accident in Chongqing.【5】Our English teacher feels __________ (real) happy about our progress (进步).16．实数$\frac{22}{7}$，$\sqrt{8}$，1.412，$\frac{2}{3}$π，$\sqrt{16}$，1.2020020002…，$\root{3}{27}$，2-$\sqrt{5}$中，无理数有（　　）A．2个B．3个C．4个D．5个