题目内容
2. —It’s a long time I saw you last.
—Yes,and what a pity it is now that it will be a long time we
see each other again.
2. since;before 句型“It+be/has been+时间段+ since…” 意为“自从……已经多久了”。句型“It + will be+时间段 + before...”意为“过多久才会……”。
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