找出下列句子的错误,并改成正确的句子(快!很简单）
问题描述：
找出下列句子的错误,并改成正确的句子(快!很简单）
1.Her sister doing her homework now._______________________________
2.Tom have a happy family._________________________________________
3.Sometimes my parents and me go for an outing on sunday.__________
4.I usually have lunch in home.____________________________________
5.We sing and dance at the party last night._______________________请把答案写整句.
答
1.Her sister (is) doing her homework now.
2.Tom（has）a happy family.
3.Sometimes my parents and (I) go for an outing on sunday.
4.I usually have lunch (at) home
5.We (sang) and (danced) at the party last night.