51.Couldyoutenmewhetherthereisac

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