19.______ they are brothers,they don't look like each other at all.A.Because B.Though C.When D.As
问题描述：
19.______ they are brothers,they don't look like each other at all.A.Because B.Though C.When D.As
20.--- When did you know the news?--- I knew nothing about it _________ my friend told me.A.after B.it C.because D.until
答
19、B,虽然他俩是兄弟,但他们完全不像
20、D,你什么时候知道这个消息的?直到我朋友告诉我,我才知道的.