建安工程直接费由()组成。①人工费②管理费③材料费④税金⑤施工机械使用费
A.①②③
B.②③④
C.①③⑤
D.②④⑤
参考答案:C
__________ mother is a middle school teacher.
A.Lucy’s and Lily
B.Lucy’s and Lily’s
C.Lucy and Lily’s
D.Lucy and Lily
PASSIM7K/8K采用()输送烟支,输送准确到位。