单项选择题
A．frightening, frightening B．frightened, frightened C．frightening, frightened D．frightened, frightening
May I speak to your manager Mr. Williams at five o'cloc...
单项选择题May I speak to your manager Mr. Williams at five o'clockI'm sorry. Mr. Williams（）to a conference long before then.
A．will have gone B．mustn't follow C．couldn't have been following D．shouldn't have been following
When they were in difficulty, we would come to（）help. A...
单项选择题When they were in difficulty, we would come to（）help.
A．the villagers' B．the villagers C．the villagers of D．the villagers for
I（）have gone with them, but I（）not finish my homework i...
单项选择题I（）have gone with them, but I（）not finish my homework in time.
A．would, did B．should, might C．might, should D．did, would
