283.I long to alleviate ___________, but I cannot.

20.Come and see me whenever( )

19.The team can handle whatever( )

18.( ), he is ready to accept suggestions from different sources.

17.The physicist has made a discovery, ( )of great importance to the progress of science and technology.

16.Mr. White works with a chemicals import & export company, but he( )for this industrial fair, since he is on leave.

15.He left orders that nothing ( ) touched until the police arrived here.

14.When you have finished with that video tape, don't forget to put it in my drawer, ( )?

13.How can I ever concentrate if you( ) continually ( ) me with silly questions?

12.The brilliance of his satires was________make even his victims laugh.

11.________ no cause for alarm, the old man went back to his bedroom.