单项选择题


A．supply
B．offer
C．provide
D．support
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单项选择题
A．illustrationsB．pagesC．picturesD．margins
A．illustrations
B．pages
C．pictures
D．margins
单项选择题
A．have added toB．has addedC．added toD．adding to
A．have added to
B．has added
C．added to
D．adding to
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