How well do you know the Opera House?— I know the place very well. I Sydney many times.

Did you return from Shanghai on time?—No. The train________ I took was late because of the bad weather.

My pen is ______.

The food in the small restaurant smells good, but I don’t know how it ________.

Have you heard of the news about the missing Malaysian plane?－Of course, people all over the world want to know _______.