问题
选择题
I met Lucy in the primary school and we have been close friends ______.
A．as usual
B．again and again
C．sooner or later
D．ever since
答案
答案：D
A项像往常一样；B项再三的，反复地；C项迟早，早晚有一天；D项从……以后，从……起。句意“我和露西相识在小学，从此以后我们成了亲密的朋友。”答案D符合题意。