一

二

三

二、单句改错 1.More than one person have made the suggestion. 2.Two years have passed since I came here. 3.The police is surrounding the airport,where a suspect(犯罪嫌疑人) is hiding. 4.Each boy and each girl in our school are given a greeting card. 5.What I need most is more books.

have→has　

have→has　

第一个is→are　

are→is　

is→are