单项选择题
He is universally recognized as an authority on construction engineering so one of his jobs is（）the building work.
A.supervisingB.publicizingC.recruitingD.applying
单项选择题 It’s getting late and I have to leave now.（）
单项选择题 Which brands are you familiar with？（）
单项选择题 The pebbles are the other things in life that matter，but on a small scale.（）
