问题
选择题
Those two boys are twins, _______, they look very different.
A．except
B．but
C．however
D．because
答案
答案：A
考查介词。句意：那两个男孩是双胞胎，除此之外，他们看起来非常不同。故选A。
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Those two boys are twins, _______, they look very different.
A．except
B．but
C．however
D．because
答案：A
考查介词。句意：那两个男孩是双胞胎，除此之外，他们看起来非常不同。故选A。