The British science fiction writer, Isaac Azimac, believes that robots are_____ ever to do harm to a human being.
Mr. Blake ____ Shanghai in a few days. Do you know when the earliest plane ____ on Sunday?
Please ask the salesgirl ____.
John asked Tom ____ give him a lift to the office.
Maybe there are some things among the girl’s papers, like her school reports, old photos and so on. Can you ______ them and give me whatever you find?
There are several factors _______ in the economy _______ make it difficult to predict the future.