This problem is so tough that only______ students can solve it.
---Kate, I met two aliens in my garden last night. ---______
I had ______ interesting experience on Sunday.
---Why didn’t you come to my birthday party yesterday evening? ---I ______ a wonderful football match.
All of us went to the movies ______ John. He had to look after his sick mother.
Teachers will ______ the students when they do something wrong.