Section B (3a)-Self Check,任务一,任务二,任务一:用适当的短语完成句子,a set of keys,computer game,Lost and Found,an English book,telephone/phone number,任务一,任务二,Lost My pen. My name is Nick. Please call 670-9564.,Found A watch. Please call Nancy at 209-4576.,任务二:根据所给信息, 填入恰当的单词Im 1. .My 2. is lost.Please call me.My 3. number is 670-9564. I found a 4. .My name is 5. .Call me at 209-4576.,Nick,pen,phone/telephone,watch,Nancy,A set of keys 一串钥匙 a set of意为“一套,一副,一组”。“a set of+复数名词”作句子主语时,谓语动词用单数。set作名词,意为“一套,一副,一组”。如: A set of books is in the bag.一套书在包里。,