问题
选择题
－What is your math teacher like, Nick?
－She is very kind _________ she looks a little serious.
A．although
B．if
C．so
D．until
答案
答案：A
本题的含义是虽然她看起来有点儿严肃，但是她很和善，although表示尽管的意思，引导让步状语从句，故本题选A。
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