【正文】
an environmental project? Ken: Yes, I have. I ___________ (help ) with a CleanUp Day last year. It was _________ (consider) the biggest cleanup project this city __________ ever ___________ (have). Interviewer: How many people __________ (take ) part? Ken: I ________ ( think) more than 1,000 people ________ (e) to help out. Interviewer: That’ s fantastic! I guess everyone in this city is ____________ (try) to improve the environment. Ken: Yes, evertone should _____________(play ) a part in keeping the city clean. Possible answers: Have taken, helped, considered, had had, took, think, came, trying., play 2) Fill in blanks with proper modal verbs. Can would could have to should might/may must When it es to saving the earth, people _______ think that big things __________be done. However, many fet that saving the earth begins with small things. For example, You _________ save electricity by turn