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應(yīng)該 延伸拓展 Fill in blanks with the correct forms of verbs. Interviewer: ___________ you ever ________ (take ) part in 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 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,