—Mr. Hu, have you finished correcting the papers?—Not yet, the papers _______. You _______ get the results from me by tomorrow.

I have been studying computer for years and I still ___.

At the time of the earthquake Jeff was still in his office. He ________ to finish a project before he left for the day. 

I picked up a paper at random , _____ through the headlines and put it where it had been . 

—Hi, Susan, you look tired.—I ______ for months for the coming celebration for the school’s 60th anniversary.