单项选择题

A．By prediction.
B．By recording.
C．Through observation.
D．Through interviewing.
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单项选择题
A．George always hesitates at everything.B．George’’s wife is much too concerned about things at home.C．George can’’t really decide anything at home.D．George and his wife hardly go anywhere for holiday year after year because they can’’t decided where to go.
A．George always hesitates at everything.
B．George’’s wife is much too concerned about things at home.
C．George can’’t really decide anything at home.
D．George and his wife hardly go anywhere for holiday year after year because they can’’t decided where to go.
单项选择题
Several tourism companies believe space travel is going to be a new profitable industry.
A．Y
B．N
C．NG
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