(2013·湖北高考)While intelligent people can often ________ the complex, a fool is more likely to complicate the simple.

We will do what we can to get the goods _________ on time.

(2013·甘肃兰州名校高三检测)There is one tip from the book that I do follow, and I ________ you do, too. Cut down on watching TV.

—Do you know when we will carry out the plan?—Oh, no. It is still ________ discussion.

—Why does Thomas speak through every discussion but never listen to the others?—That's what he ________ do. We used to hate that, but are used to it now.