He came to my class every week, but his attitude ________ he was not really interested in the subject. 

— Well, that was really a good meal. I _____ you were a really good cook. — Thank you. 

They _______ all the details of the plan time and again to make sure that the project went smoothly.

The film festival is      as an event of international importance．

  The increasing number of cars on the road _______ traffic. This was the reason why we couldn’t get here on time.