“I’m certainly more and more to the conclusion that Iraq has, ___they maintained（断言）, destroyed almost all of _____ they had in the summer of 1991.” Blix said.

16. I ________ an invitation from one of my friends, but I have no idea ________ it or not.

I get more ________ in the tests than I did last time.

Wood catches fire easily, so we must remember _________ fire.

Tom，together with Mary and Alice，______swim this afternoon