51.Couldyoutenmewhetherthereisac
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问题详情：
51. Could you ten me whether there is a c_________between smoking and lung cancer?
52. The condition prevents the blood from_________（循环）freely.
53. _________（因此），we must treasure the time.
54. I would always keep my distance from drinkers on social_________（场合）.
55. Liu Wei,the famous armless piano player,has succeeded in having a(n)_________（杰出的）career.
【回答】
51. connection
52. circulating
53. Therefore
54. occasions
55. outstanding
知识点：其他
题型：单词拼写
