-- _____is that used for?---_____ the floor.
Maybe if I science, and not literature then, l would be able to give you more help. (2011 .北京 )
Had J known about this computer program, a huge amount of time and energy . (2010 .浙江)
--- The weather has been very hot and dry.--- Yes. If it had rained even a drop, things would be better now! And my vegetables . (2010北京)
If we the other road, we might have arrived here in time for the meeting. (2010 .陕西)
I’d appreciate if you could lend me a hand with my homework.