[模拟演练]
Ⅰ.单句填空
1.Anyway,we're here now,so let's get down ________ some serious work.
【解析】 句意:反正大家现在都在这儿,那我们开始做一些重要的工作吧。get down to开始做。
【答案】 to
2.I've been trying to phone Charles all evening,but there must be something wrong with the network;I can't seem to get ________.
【解析】 句意:整个晚上我一都在给Charles打电话,但网络一定出现了问题,我似乎不能打通电话。get through通过,完成,接通电话。
【答案】 through
3.Is this your necklace,Mary?I came ________ it when I was cleaning the bathroom this morning.
【解析】 句意:这是你的项链吗,Mary?我今天早上打扫浴室的时候偶然发现了它。come across碰到,偶然遇到。