题目内容
students／pupils
The doctors are busy doing r___________ into the causes of SARS.
“Would you like another （巧克力）?”she said leaning against his shoulder．
Generally speaking, good news ______(传播) quickly
The new Congress （宣布）war on Germany.
Nowadays big cities are becoming more and more （拥挤）.
I would rather you (没有买)the house. Now houses are a little cheap and you can spend less money on it if you buy one. (buy)
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