It worried her a bit _________ her hair was turning grey.
16.The dying man moved his lips as if ______ something, but it was too late for him to let out a single word. A. to say B saying C. said D. having said
15. I got so angry at the news that I ______ her.
14.--- I ______ to be here on time. --- But you ______ late again.
13. They were surprised that a child ______ work out the problem while they themselves couldn’t.
12.______ now and then, the six-party talk on the North Korea Nuclear Issue will restart next month, ______.