Question

Making friends is not easy．Sometimes it can take years _________ you become true friends with someone．

[　　]

A．

before

B．

after

C．

because

D．

Unless

Answer 1

答案：A
解析：

考查连词的用法。依据第一句“making friends is not easy．交朋友不容易。”及空格前后句意可推断出“在成为真正的朋友之前会花费好几年。”，故选A。