2016-2017学年高中英语 Unit 9 Wheels 7 Grammar课时作业 北师大版必修3.docVIP

　Grammar Ⅰ.单句语法填空 1．My brother is an actor. He ________ (appear) in several films so far. 解析：句意：我弟弟是个演员，到现在为止，他已经演了好几部电影了。句中有时间状语 so far，意为“迄今为止；到现在为止”，可确定用现在完成时。 答案：has appeared 2．The telephone ________ (ring) four times in the last hour, and each time it was for my roommate. 解析：句意：电话在一个小时里响了四次，每次都是找我室友的。句中有时间状语 in the last hour，用现在完成时表示已经完成的动作。 答案：has rung 3．—How is your grandfather? —My grandfather ________ (be) dead for two years. 解析：句意：——你爷爷身体怎么样？——我爷爷去世两年了。for two years 与现在完成时连用。 答案：has been 4．The little boy is dirty from head to foot because he ________ (play) in the mud all morning. 解析：句意：这个小男孩从头到脚都脏了，因为他在泥里玩了一上午。整个上午都在玩，表示动作一直持续到说话时，用现在完成进行时。 答案：has been playing 5．Now that she is out of work, Lucy ________ (consider) going back to school, but she hasnt decided yet. 解析：句意：既然露西失去了工作，她一直在考虑重新回学校，但是还没有做出决定。根据 but she hasnt decided yet 判断，Lucy 还在考虑这件事，要用现在完成进行时，表示动作还要继续下去。 答案：has been considering 6．—Would you like to go to Shanghai? —Yes. In the last ten years, great changes ________ (take) place in Shanghai. 解析：句意：——你想去上海吗？——是的。在这十年里，上海发生了巨大的变化。“in the last/past＋时间段”是现在完成时的标志性时间状语。 答案：have taken 7．The housing prices ________ (go) down, but I doubt whether they will remain so. 解析：句意：房价已经下降了，但是我怀疑是否会这样保持下去。说话时价格已经降了，动作已经完成，而且降价肯定对现在甚至以后造成了影响，因此用现在完成时。 答案：have gone 8．When you are home, give a call to let me know you ________ (arrive) safely. 解析：句意：当你到家的时候，给我打个电话让我知道你已经安全到家了。根据语境用现在完成时。 答案：have arrived 9．—When shall we restart our business? —Not until we ________ (finish) our plan. 解析：句意：——什么时候我们再开始我们的生意？——到完成我们的计划时。在状语从句中，经常用一般现在时表将来时，用现在完成时表将来完成时。此处为 until 引导的时间状语从句，故用现在完成时。 答案：have finished 10．This is the first time we ________ (see) a film in the cinema together as a family. 解析：句意：这是我们第一次全家一起在电影院看电影。the＋序数词＋time 引导的定语从句中动词时态用完成时，又参照动词 is 可知此处用现在完成时。 答案：have seen Ⅱ.语法填空 A recent incident is making headlines on various websites: Liang Ya, a female worker, __1__ (faint) in a subway station in Shenzhen, and was confirmed __2__ (die) when ambulances arrived about