单项选择题When I came back, I found my bicycle was ______.
单项选择题It is said that a grave of a middle aged man ______ about 2,300 BC was found by some English archaeologists in the year of 2002.
单项选择题Every year a flood of farmers arrive in Shenzhen for money-making jobs they () before leaving their hometowns.
A. promised B. were promised C. have promised D. have been promised
单项选择题______ around the Water Cube, we were then taken to see the Bird's Nest for the 2008 Olympic Games.
单项选择题What the correspondent sent us is an ______ news report. We can depend on it.