单项选择题

A．from
B．on
C．by
D．at
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单项选择题
A．thingsB．purposesC．causesD．reasons
A．things
B．purposes
C．causes
D．reasons
单项选择题
What happened to the book
A．Marga fetched the book herself.
B．John fetched the book for her.
C．Marga forgot to pick up the book.
D．The book was still there in the classroom.
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