英语.用下列单词和词组提问,一般疑问句要作肯定和否定回答.（注意be动词和行为动词的时态变化）
1、Simon‘s father,a computer engineer,is,three years ago
2、snakes,afraid of,they,in the past,are
3、in the playground,the students,play football,just now
4、what ,you,yesterday,learn,at school
5、go camping,Jack and his friends,last week,where