6.Although I hadn't seen Mary for years, I ______(识别) her voice on the phone at once yesterday.
7.As a general rule, the most _____(成功的) man in life is the one who has the best information.
8._____(星期三) is the fourth day of the week.
9. During the long journey，he _____(证明) himself to be an amusing companion.
10. I have no _____ (食欲) now because of headache.
11.What’s the (来源) of the rumour?
