—Do famous athletes and entertainers        such high salaries?—Well, at least I think scientists should be paid more．

In order to ______ his muscle, Mike goes to the gym regularly to do exercise.

She made me promise not to ________ where it was hidden. 

Little Johnny felt the bag，curious to know what it ______.

The old couple don’t live with their children; they _________ independence（独立）more than anything else in the world.