They devoted ________ to the research of the new type of machine.
[ ]
A.them
B.themselves
C.their
D.theirs
is a result of the student activity survey at our school. Most students exercise three or four times week. Some students exercise once twice a week. Some students exercise every day. homework, most students homework every day. Some students do homework more than three times. students do homework once or twice a week. The result for “watch TV” is . Some students watch TV once or twice a week. Some watch TV three or four a week. But most students watch TV every day. think it’s helpful for them TV. They can be relaxed and learn much knowledge(知识) by watching TV.
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