－Tomdidn’t go to school this morning, did he－______.Though he had a bad cold.

My mother is ill, so I have to look after her. —-__________.

Betty went to the museum and saw the pictures ________ were drawn by a famous artist.

In the new century, we still should _____ primary importance to the development of economy.

Kevin, you look worried. Anything wrong—Well, I ______ a test and I’m waiting for the result.