【单选题】There was such long queue for coffee at the interval that we _____ gave up.
【单选题】There was such a long queue for coffee at the interval that we ____ gave up.
【单选题】There was such a long line at the exhibition ______ we had to wait for about half an hour.
【判断题】自制原始凭证是指由企业会计人员填制的凭证。
【判断题】60系列适用于吊点距离0.8m~1.2m不上人型或上人型吊顶,主龙骨可承受100kg检修荷载。