[答案]A. confirm.

　　[注释] confirm(=support; make certain; give proof of)证实，确实：1)Please confirm your telephone message in writing.(请把你电话中所说的话再用文字复述一篇。) 2)The king confirmed that the election would be on June 20th.(国王确认，这次选择将于六月二十日举行。)confine...to 把......限制于：Please confine your remarks to the subject we are talking about.(请把你的话限止于我们正在谈论的题目。)conform (to)使一致，符合，遵守。Conceive 1)想到，想出：He very quickly conceived a new plan.[注意]conceive of 想象:They could not conceive of the possibility of failure.(他们不能想象失败的可能。)

　　[答案]c. issues.

　　[注释]issue 此处意为“重大问题”。measure 措施，虽然填入本题也说得过去，但不够贴切。pattern 模式，图案，图样。与题意不符，不能入选。way 方法，方式。

　　[答案]B. On account of

　　[注释]on account of(=because of)由于，因为。regardless of(=without worrying about)不顾;Regardless of danger, he climbed thetower.

　　[答案]A. come up with.

　　[注释]come up with 提出。Put up with 忍受;keep up with 跟上，与......保持一致;look up to 尊敬。

　　[答案]A. occasionally.

　　[注释]occasionally 偶尔。Simultaniously 同时地; directly 直接