. Many experts agreethat once these treasures are _______ to the air, great harm will be done tothem. So they think it better not to unearth the treasures.

I like my English teacher because she always makes us_______ in class.

_______ — She is slim.

(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.

We haven’t seen each other for ages．—No, I don’t remember how many years ago _______ I last saw you．