請問下句的正確答案,請給予詳細解釋。謝謝!
Light___faster than sound.
a. travels
b. is travelling
c. have traveled
d. have been travelling
收錄日期: 2021-04-13 17:06:08
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100210000051KK01087