Ⅰ.单句语法填空
1．We debated about the question till late into the night.
2．But when they got there they found they were blocked by a river flowing(flow)across the only way to it.
3．I was very impressed(impress) by the efficiency of the staff.
4．It's everyone's responsibility to make(make)good use of water.
5．The secretary informed me of the arrival(arrive) of our manager.
6．Quantities of food and clothes were(be)donated to the charity last month.
7．I'd appreciate it if you could give me the chance.
8．Some villagers reported a huge snake，measuring(measure)over two metres long，was found dead in a nearby cave.
