We __________ pay for the concert. It’s free.A.don’t have to B.mustn’t C.might not D.can’t 答案:【答案】A【解析】句意:音乐会我们不必付费。它是免费的。考查情态动词。don't have to不必;mustn't 禁止;might not可能不;can't不可能;根据It's free可知音乐会是免费的,判断空格指不必付钱;故选A。Read and fill. 根据汉语意思写出英文。Zip: One, two, three. . . 1 (十 一) lambs. Zoom: How many horses are there? Zip: 2 (十二). Zoom: How many 3____ (绵羊) are there? Zip: 4____ (十五). Zoom: How many 5____ (奶牛) are there? 2ip:6 (十三). Zoom: How many 7____ (山羊) are there? Zip: 8 (二十一). How many 9 (熊) are there? Zoom: None. Zip: No! There is one! You!