We __________out by that time that he_________ a thief for a longtime.
---We need a person very much to think up a creative idea. --- ______ the new manager have a try?
The young man, who by then ___ admission to Peking University, determined to do some part-time jobs to gain more practical skills.
---What do you think of the furniture on exhibition? --- Well, great! But I don’t think much of ____ you bought.
To improve the quality of our products, we asked for suggestions _____ had used the products.
---Why don’t you turn to Professor Lee for some advice? --- _____. What if he refuses to help or something?