My friend, Jack, is thought ______ foolishly. Now he has no one but himself to blame for losing the job.
Sam _______some knowledge of the computer just by watching others working on it.
A World Without Thieves is ________wonderful film, in which Liu Dehua plays _______part of Whang Bo.
The book is very valuable to us. That is to say, The book is of________.
-----I am tired of learning English all day long.------So am I. ____________.
____you have got a chance, you should make full use of it.