单项选择题

A．Chemicals.
B．Vapour.
C．Water.
D．Gas.
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单项选择题
A．The speaker’s opinion about American society.B．The relationship between American parents and their children.C．American young people’s independence.D．American social values.
A．The speaker’s opinion about American society.
B．The relationship between American parents and their children.
C．American young people’s independence.
D．American social values.
单项选择题
A．Courses in British history.B．Language courses.C．Courses in sports.D．Teacher training courses.
A．Courses in British history.
B．Language courses.
C．Courses in sports.
D．Teacher training courses.
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