20xx人教版英語九年級unit13we’retryingtosavetheearth!課件3-wenkub
2022-11-27 21:48:28 本頁面
【正文】 _____ (think) more than 1,000 people ______ (e) to help out. Joe: That’s fantastic! I guess everyone in this city is ______ (try) to improve the environment. Eric: Yes, we can’t afford to ____ (wait) any longer to take action! Have taken helped considered had had took think came trying wait Fill in the blanks with the appropriate modal verbs from the box. People __________ think that big things ______ be done to save the earth. Many fet that saving the earth begins with small things. For example, you ____ save may/might must can can would could have to should must may/ might electricity by turning off the lights when you leave a room. You ______ also use reusable bags instead of plastic bags. I think it’s a great idea that you now ______ pay for plastic bags in some stores. And instead of driving to school or work, you __________ ride your bike or walk. If it’s far, you __________ take the bus. All these small things ______ add up and bee big things that _________ improv
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