请问各位先进,
"每位参加派对的小孩看起来都很快乐". 这句的时态:
1. Every child that joined the party looks happy.
2. Every child that joined the party looked happy.
3. Every child that joins the party looks happy.
4. Every child that joins the party looked happy.
请问哪一句比较合理呢? 谢谢!