单项选择题


Why has the captain asked the passengers to keep their seat belts on

A． The plane is going to land.
B． The plane is going to take off.
C． The air might become very rough.
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The newsstands are made of large glass windows to______.
A．beautify the streets
B．differ from other shops
C．let the customers browse through and find what they want
D．reduce the expenses of the construction
单项选择题
A．womanB．womansC．womenD．females
A．woman
B．womans
C．women
D．females
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