选择题:I was worried about my parents all the time, but a

题目内容:
I was worried about my parents all the time, but at last I got the letter I ________ . ( )(本题2.0分)
A、 had long been expecting
B、 were long expecting
C、 had long been expected
D、 have long been expecting
参考答案:

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材料费是指施工过程中耗费的原材料、辅助材料、构配件、零件、半成品或成品、工程设备的费用。以下属于材料费的是( )。a.运输损耗费b.脚手架工程费c.运杂费d.材

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建筑物的电梯井、提物井、管道井、通风排气竖井、烟道,应并入建筑物的自然层计算建筑面积。( )选择一项

建筑物的电梯井、提物井、管道井、通风排气竖井、烟道,应并入建筑物的自然层计算建筑面积。( )选择一项:对 错

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