【原创】He knew the problem was serious and promised to look into it _____ he reached office.
After the new technique was introduced, the farmers produced ________ grain in 2006 as five years before.
The man,_______ is often parked in front of our house, is a famous surgeon.
– Can you tell me ___________? – An engineer from Jinan Iron and Steel Plants.
. My sister, as well as her classmates who_____ late for class, _____criticized by Mr.Hunt.
It had been raining three days before we arrived, so we might as well _____ at home.