单项选择题
A．He was offered a part-time job. B．He was honored with a scholarship. C．He helped his teacher construct a robot. D．He helped in the computer laboratories.
A．doctors are still learning things about eyesight B．headaches are only caused by eyestrain C．everyone should wear glasses D．people only believe things that are proven facts
A．on TV B．from the manager C．at the supermarket D．from the newspaper