1 . 新旧更替的时代已经到来，在走向未来的过程中，我们不可能将过去的一切都保存下来。
_________ the old must _________ the new, and it is not possible to preserve everything from our past as we move towards the future.

2 . 当我们感到沮丧或孤单时，最美好的事情莫过于看到好友的笑脸。
And if we are feeling down or lonely, _______________   ___________   ____________   _____________   seeing the smiling face of a good friend.

6 . I can well remember that ________ was a ________ ________ a deep blue sky, the song of the birds, moonlight and flowers could never have kept me spellbound.
我记得非常清楚,曾有一段时间,湛蓝的天空、鸟儿的歌唱、月光和鲜花,从未使我心醉神迷过。