单项选择题

A．Because there is large number of vocabulary.
B．Because the non-verbal languages are not easy to understand.
C．Because the grammar is too complicated.
D．Because there is no language learning environment.
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A．11:00 a.m.B．1:00 p.m.C．3:00 p.m.D．5:00 a.m.
A．11:00 a.m.
B．1:00 p.m.
C．3:00 p.m.
D．5:00 a.m.
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A．Cereal.B．Coffee or tea.C．Sandwich.D．Dessert.
A．Cereal.
B．Coffee or tea.
C．Sandwich.
D．Dessert.
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