问题
选择题
He has poor eyesight ________ he works on the computer at night.
A．because
B．because of
C．and
D．but
答案
答案：A
本题需要的是一个连词，因此将B排除，再根据意思来选择A
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He has poor eyesight ________ he works on the computer at night.
A．because
B．because of
C．and
D．but
答案：A
本题需要的是一个连词，因此将B排除，再根据意思来选择A