单项选择题

Which group of people make some efforts to help pupils in elementary schools

A．Teachers
B．Researchers
C．Grandparents
D．Senior citizens
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单项选择题
Which group of people make some efforts to help pupils in elementary schools
A．Teachers
B．Researchers
C．Grandparents
D．Senior citizens
单项选择题
What is a terrible tool for activities such as sketching and painting
A．Technology
B．Typewriter
C．Text
D．The web
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