He paid for a seat, when he _____ have entered free.

“I AM a Singer” and “The Voice of China” are ____interesting TV shows ____ manypeople like watching them.

Jack wasn’t allowed to go into the sports club ______ he left his membership card at home.

The students _______ busily when Miss Brown went to get a book she _______ in the office

I saw Sue but she didn’t see me She _______ theother way