单项选择题
A．She watched a movie all night.
B．She had an eye operation.
C．She took an exam all night long.
D．She was studying all night.
单项选择题 地区经贸集团有一定程度的排他性且加强了国际贸易中的不平衡发展。( )
单项选择题 W: It looks like I’m going to be a little late for class. I hope Prof. Clark doesn’t start on time today.M: Are you kidding? You can set your watch by the start of his class.Q: What can be inferred about Prof. Clark?（）
单项选择题 M: Are you busy Friday night? If not, would you like to go to the concert?W: I have a few commitments, but I think I can postpone them for another time.Q: What would the woman most likely do this Friday night?（）