Section B (3a)-Self Check任务一任务二任务一 : 用适当的短语完成句子 1.I have . 2.This is a . 3.Is that your baseball at the ? 4.—Is this ? —Yes, it is.It’s an English book. 5.Tom’s is 356-7888. 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I’m 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。