Section B (3a)-Self CheckSection 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LostMy pen.My name is Nick.Please call 670-9564. FoundA watch.Please call Nancyat 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。