---Are you still busy?---Yes, I _______my work, and it won’t take long.

 The habit is something that someone does repeatedly and often does not ________ because they have done it so many times before.

 Ever since Daming graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company. 

—May I remind you that a Mr. Wang is waiting outside, sir?—Oh, that’s right. I __________ about it.

 Lisa, now stop for a short break. You should know that you      all the morning.