-What's the matter? -The cook _____five minutes ago, and there are fifty dinners still to cook.( )
Smith wrote an article on ____ he failed to pass the exam.
It wasn’t until a month later ____ I received his letter.
They wanted to charge $6,000 for the house, ____ we managed to bring the price down.
A great performance was held on the campus of Beijing University on the night of May 4 and was given ____ coverage by the CCTV.
---How often do you turn to the dictionary when you are reading an English novel? ---Well, ___. I will look the word up if it affects my understanding.