麻烦帮我填这几条菜鸟题。（初一知识）

We are on a school trip
They are having a good time
I don't think Mary is an America

We are on school trip（学校的郊游活动）

They are having fun.（玩的很开心）

Mary isn't an American . I think.
I don't think Mary is an American.(合并为一句）

travelling

happy

don't think is

1.school trip
2.having fun
3.I don't think Mary is an American

We are on an outing hold by school.（学校的郊游活动）

They are having good time.（玩的很开心）

Mary isn't an American . I think.
I don't think Mary is an American.(合并为一句）

1.We are on school picnic（学校的郊游活动）

2.They are enjoyable.（玩的很开心）

3.i don't think mary is an American.