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Unit 6 Would you like to take a trip?Lesson 31 本课中的单数词变复数词 it(它) is(是) this(这个) that(那个) they(他们) are(是) these(这些) those(那些) 请将下列语句变成复数形式 1:what’s this? 2: Is it a duck? 3:No, it isn’t. It’s a goose. 4:Is that a goose? 5:No. It is a duck. 6:Look at that big duck. 7:No. It is a swan. 1:What are these? 2:Are they ducks? 3:No,they aren’t. They are geese. 4:Are those geese? 5:No. They are ducks. 6:Look at those big ducks. 7:No. They are swans.