《We're trying to save the earth!》PPT课件3
《We're trying to save the earth!》PPT课件3第4页

Joe: How many people ______ (take) part? Ken: I _____ (think) more than 1,000 people _____(come) to help out. Joe: That’s fantastic! I guess everyone in this city is _____ (try) to improve the environment. Ken: Yes, we can't affort to _____ (wait) any longer to take action!

took

think

came

trying

wait