问题
选择题
— What’s your new math teacher like?
— Oh, he is very kind, ________ he looks serious.
A．though
B．because
C．if
D．and
答案
A
题目分析：考查连词辨析。句意 你的新数学老师如何？他很好虽然有点严肃。根据提到的he looks serious ， he is very kind ，故用though来连接。