不能.同時使用是典型的中國式英語.
because of的用法,多見于結果在前,原因在后,如“.是因為.”
· My brother is often absent from work because of illness.
我哥哥常因患病而缺勤.
· The train was late because of the fog.
火車晚點是由于有霧的緣故.
so的用法,多見于原因在前,結果在后,如“.,所以.”
副詞 adv.因而；所以
therefore
· I was busy with my studies and so did not take the job.
我忙于學習,所以沒有接受那個工作.
連詞 conj.所以；結果是
for this reason;for that reason
· Speak clearly,so they may understand you.
說得清楚一些,好讓他們聽懂你的話.
· I didn't go to bed until eleven last night,so I got up late.
昨晚我十一時才睡覺,因此今天起床晚了.
· It was late,so I went home.
天晚了,所以我就回家了.
· The shop is closed,so I can't buy the bread.
商店關門了,所以我不能買面包.