狭窄场所必须选用由安全隔离变压器供电的＿。
A.Ⅳ类手持式电动工具
B.Ⅲ类手持式电动工具
C.II类手持式电动工具
D.I类手持式电动工具
参考答案：B
—Does he like playing football?
—Yes, he _____. [ ]
A. little
B. likes
C. do
D. does
