【单选题】【消耗次数：1】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
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相关题目
【单选题】
She ________ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She_______ the door before she goes away.
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had locked
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is locking
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was locking
【单选题】
She ___ the door before she goes away.
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had locked
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is locking
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has locked
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was locking
【单选题】
She had made many ( ) into the quality of the computer before buying one.
①
inquiry
②
inquiries
③
search
④
research
【单选题】
Before she left to have a holiday, she_______ hard.
①
worked
②
has worked
③
had worked
【单选题】
She has breakfast at seven everyday, _____?
①
has she
②
hasn’ t she
③
does she
④
doesn’ t she
【单选题】
She was so _____ in her job that she didn’t hear someone knocking at the door.
①
attracted
②
drawn
③
absorbed
④
concentrated
随机题目
【单选题】
建设合同按承包工程计价方式可分为（）
①
总价合同、单价合同、成本加奖罚合同、有偿合同
②
固定总价合同、纯单价合同、成本加固定金额酬金合同、买卖合同
③
固定总价合同、可调总价合同、单价与包干混合式合同、总承包合同
④
总价合同、单价合同、成本加酬金合同
【单选题】
施工合同示范文本中规定，如果发包人不按合同的约定支付工程进度款，承包人发出催付通知和停工通知后仍不能获得工程款，可在停工通知发出7天后停止施工。该条款依据的是《合同法》中关于()的规定。
①
撤销权
②
不安抗辩权
③
后履行方抗辩权
④
同时履行抗辩权
【单选题】
招标人对已发出的招标文件进行必要的澄清或者修改的，应当在招标文件要求提交投标文件截止时间至少（）日前，以书面形式通知所有招标文件的收受人。
①
15
②
20
③
30
④
10
【单选题】
保留金的退还规定是（）。
①
质量保修期满一年后，一次性退还
②
工程移交时，一次性退还
③
工程移交时，支付一半；质量保修期满后，另一半保留金将由工程师开具证书付给承包商。
④
不予退还