施工单位应在工程终验前，将工程竣工文件一式（）份提交建设单位或监理单位。
参考答案：三（3）
It ___________ we had stayed together for a couple of weeks________ I found we had a lot in common.
A．was until; when
B．was until; that
C．wasn’t until; when
D．wasn’t until; that
徙志
