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It seems quite   to expect a student to master 3000 words within only 2 days.

It was _____ of you not to play the piano while I was asleep.
A  modest    B familiar    C considerable    D considerate

There are several         plans here. Which one do you like best?

The spokesman said that this was a（n）____negotiation （談判） because it solved a lot of problems between the two sides．

John told me he’d like to go hiking with me, his voice _______joy.

The goods bought on line are _________ than those bought in stores.

The police failed to come up with ______ evidence, and on that account the suspect was released.

---Look, our headmaster is over there, playing basketball with some students of our class.
--- Oh, he must be ________ to his students.

—What do you think of the play?
—Terrible! I’ve never seen _________ one. 

Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.