题目内容
______ he is very busy, Li Ming always helps others.
| A．Although | B．If | C．Unless | D．Since |
A
解析试题分析：句意：尽管他非常忙，但是李明总是帮助其他人。Although尽管If如果Unless除非Since自从，结合句意可知，本题答案选A。
考点：考查连词。
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