1.pat was (dancing) when i got home.（对括号部分提问）
Pat was doing when i got home?
2.mr.huang taught us enlish last year.(改为否定句)
mr.huang didn't think us enlish last year
3.－－－What are you going to do?
－－－i'm going home.(根据答句写出问句)
4.my favourite sport is swimming.(写出同义句)
i like swimming best.
5.we like coffee.(用tea改为选择疑问句)
Would you like coffee or tea?