新概念2册第41课练习

1、新概念2第41课练习题一、用 must ,have to ,had to 填空1、youtell us if youre going to we wont be worried about you.2、It was very late last was no bus,so Igo home by taxi.3、 Hewear glasses,even when he plays basketball4、Tell him that heturn off all the lights before he leaves home5、Youcome end have a look at our new

2、 house some day.6、We collect a parcel from the post office yesterday.7、I drive to work,because our university is e long way from my home8、The teacher said that all the homeworkbe done by Monday.9、.10、Passengersshow their tickets when asked to do so.11 Youdo it yourself. Nobody can help you.二、用can或mu

3、st填空This is a street crossing There are red and green lights at each corner. Drivers watch the lights carefullyWhen there is a green light. The cars o on. When there is a red light, the carswait until the red light changes to green. Then they proceed Sometimes carswant to turn right or red. But they

4、wait until the green light is showing if they wantto turn left.Some people are colour-blind Theynot see the differenee between red andgreen. These peoplenot drive, or else there will be an accident. Wekeep our streets safe.情态动词的用法1、r need的用法1）作情态动词的用法，用于否定句中，表示“不必”，也用于表示否定意思的句子中, 还可构成疑问句。2）作及物动词的用法，need表示需要，后面可以接名称、代词、不定式、动名词和复 合宾语。2、have to的用法1） have to的意思接近must,但must强调说话人的意愿，而