题目内容
【题目】写出下列单词的-ing形式
1. play ____________ 2. skate ____________
3. run ____________ 4. swim ____________
5. boat ____________ 6. cheer ____________
7. watch ____________ 8. pass ____________
【答案】1. playing 2. skating 3. running 4. swimming 5. boating 6. cheering 7. watching 8. passing
【解析】
略
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