【简答题】请在横线上填上一个恰当的单词来描述该图所表示的短语:turn ________
【单选题】----Where is Sandy? ----He ______to anwer the phone. He’ll be back in a minute.
【单选题】传输层保护的网络采用的主要技术是建立在()基础上的
【单选题】传输层保护的网络采用的主要技术是建立在()基础上的。
【单选题】传输层保护的网络采用的主要技术是建立在()基础上的。
【简答题】I woke up,____that he had gone7. I woke up,____that he had gone. A.only finding B.only having found C.only to find D.only to have found
【单选题】电梯的自动定向电路,实质是一个可变的( )门电路
【单选题】He said that he _______ to Shanghai the next day.
【单选题】He talked as if he______there before.