My parents have promised to come to see me before I ____for Africa.A．have leftB．
题型：不详难度：来源：
My parents have promised to come to see me before I ____for Africa.| A．have left | B．leave | C．left | D．will leave |
|
答案
| A |
解析
| 考查时态.句意:我的父母许诺在我动身去非洲前来看我.可知从句描述的是在某个时间点前完成的动作,故用完成时态,选A. |
举一反三
By the time these books were published, he _____ addicted to them.| A．had become | B．becomes | C．has become | D．became |
|
It was the first time we _______ a film in the cinema together as a family.| A．see | B．had seen | C．saw | D．have seen |
|
Stop! You can never touch this machine when it ________, it is very dangerous. | A．has been operated | B．will be operated | C．is operated | D．is being operated |
|
Some of the wolves there _________ their fur. | A．are hunting | B．are hunting for | C．are hunted for | D．hunt for |
|
The vase ____easily. Be careful when you handle it.| A．will be broken | B．will break | C．is broken | D．breaks |
|
最新试题
热门考点