The once owns an at

The once owns an at The boy is badly hurt so he needs an o____ at once The boy was badly injured,so he need an ——at once The plane _____ (take) off in an hour.If you ______ (not start) at once, you____ (miss) it. At first sight marks one's destiny Once the voyage comes to an end Return lies within hasty Keys Must we 【start】 the work at once follow the orders at once求中文 Let the boy --------[not leave】at once. Be patient the meeting will come to an end at onceBe patient the meeting will _______ _______ at once是be ended 还是 be over Once,lately at night,an Englishman改错题 at once at once Follow the notes upon the journey.At first sight marks one's destiny.Once the voyage comes to an en翻译还有.Return lies within hasty keys at once 与 at the moment的区别 the doctor suggested the man have an operation at once这里的have为什么不用原形,又为什么不能用must have? We should finish the work at once(对 at once 提问) 10.the doctor oprated on him at once thedoctor_____ _____ ______ _____him at once he is going to relax with friends once the exams are --------and he has exciting plans for the summer holidaysA.at the end B.by the endC.in the end d.at an end