根据汉语意思并按要求完成句子。(15分)

61.I'm _______ ________ ________(盼望)your visit next week.

62.He _______ _______ _______( 提醒我)visiting the park.

63.显然对于学生们来说，他们应当为未来做好充分的准备。（It is obvious …）

_________________________________________________________________________

64.我们要保持自然界得平衡，这是重要而且必不可少的。

It is important and necessary that ________________________________________.

65.这就是我所感兴趣的。（用表语从句）

_______________________________________________________________

完成句子

86.             my sister        first had the idea to cycle along the entire Mekong River from where it begins to where it ends. 首先想到要骑车沿整个湄公河从源头到终点旅行的是我的姐姐。

87．When I told her the air would                                        and it would be very cold， she said it would be an interesting experience.当我告诉她那里空气稀薄，呼吸困难而且天气很冷时，她却说这是一次有趣的经历。

88．Our legs were         heavy and cold         they felt like blocks of ice

我们的腿又沉又冷，感觉就像大冰块。

89．Only then                                 to answer violence with violence

只有到这个时候，我们才决定用暴力反抗暴力。

90．I can well remember that there was                             a deep blue sky， the song of the birds，moonlight and flowers could never have kept me spellbound 

我记得曾经有一段时期深蓝色的天空，鸟的歌唱，月光和花从来没让我着迷。