3.How lovely they are!1. ( ) at the meeting yesterday is of great importance to the development of our business.

4. ( ) he worked all day, he couldn＇t finish the job.

3. I＇ll leave him a note ( ) he＇ll know where we are.

2. We must begin testing the instrument, no matter ( ) difficult it is.

1. If anybody ( ) me while I＇m out, tell him I＇ll call him back later on.

17. ( ) is known to the world, Mark Twain was a great American writer.

16. The letter ( ) I mailed to my sister a month before Christmas has not yet reached her.

15. I＇ve never dined with you, sir; and I see no reason ( ).

14. She was extremely understanding, ( ) helped to calm James down.

13. He arrived late, ( ) was annoying.

12. Angel was the first girl ( ) when you got here.