6、a.howplane3.—________didyougettoLondon?—________________.whograndpa4.—________metJohnattheairport?—________did.七、选择合适的单词补全短文。nervous visited by clouds went sky had sawDearSimon,Howareyou?LastweekI1.________toXi’an.It’sinthenorthwestofChina.Iwentthere2.________plane