( ) 15.It is a long time ____ we met last time in Shanghai.A.befo_英语解答

( ) 15.It is a long time ____ we met last time in Shanghai.A.before B.after C.since D.For ( )

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解答

c.解析：since 自从的意思 It is a long time since +过去式表示自从过去那件事已经很长时间了