问题
My brother and I look different ________ we are twins. [ ]
A: unless
B: as
C: though
D: because
B: as
C: though
D: because
正确答案是：
同类题型
Has Sam finished his report?—I have no idea. He _______ it in his office the whole morning.
Can you ride a horse?—Sorry, I____________ .But I can ride a bike very well.
Do you know the boy _______ Simon? —Yes, he’s my brother’s good friend.
The little boy was heard_______ in the street when night fell down yesterday .