用给出的词的适当形式填空
1、Yesterday, I have a test. I thought. I failed my test but I just ______(find out) I assed
2、We _____(be planning)a party last night
3、We _____(be invite) teacher to come to the party last night
4、I'm every _____(upset)
参考答案:found out
were planing
invited
upset