The old man said the accident ___ careless driving, so a lot of money ___ be paid by the driver. A. was due to; was due to B. dued to; was due to is due to; was due to D. is due to; is due to
The clean-up operation at the bullet train crash site in east China’s Zhejiang province has been completed. Meantime, trains have resumed services on the railway ______ the accident occurred.