mỗi câu có một lỗi sai,hãy tìm và sửa 1/ last week,my brother and I join a sports festival 2/ what did you did at the fun fair last month? 3/ did you stay at home and watch tv?-no,I did. I went to the park 4/ who did you meet on the party? 5/ he bought 2 comic book at the bookfair

1 join should be joined

2 did should be do

3 ở câu trả lời did shpuld be didn't

4 on should be at

5 book should be books