_______ many times, he finally understood the problem.
A. Told
B. Telling
C. Having told
D. Having been told
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Tom was about to close the windows _______ his attention was caught by a bird
A. when
B. suddenly
C. and
D. till
原施工蓝图的封面、图纸目录也要加盖竣工图章,作为竣工图归档,并置于备专业图纸之前。但重新绘制的竣工图的封面、图纸目录,可不绘制竣工图签。()
- Between the two possible plans, I ‘m bound _____the second one
A. favouring
B. to favour
C. for favouring
D. to favouring
电梯安装工程必须实行隐蔽工程验收,隐蔽验收应符合设计和有关标准规定,不进行隐蔽工程验收或不填报隐蔽工程验收记录为不符合要求。()