the students hada fire drill （yesterday）改划线提问(现在用括号）

the students hada fire drill （yesterday）改划线提问(现在用括号） the students are (talking and laughing happily).对划线（括号）部分提问 There were a fire drill yesterday.请问哪里有错误怎么改 1、划线部分提问（括号代表划线） 2、改一般疑问句 3、改否定句 There are a fire drill yesterday. Some students are in the room.(对划线部分提问）划线部分是Some students The clothes were (clean) yesterday.（对划线部分提问） Helen （went to the park） yesterday.划线部分提问 Some students may run down the stairs during the fire drill There is a fire alarm in the corridor.(对划线部分提问） 划在a fire ala zhanghua put out the fire with___his wet blanket_(对划线部分提问） It was rainy yesterday.（对划线部分提问）划线的是rainy ______ ______ the