3. 别提它了used when sb asks you what you just said and you do not want to repeat it.

2. 休想used to tell sb that you refuse to do sth or that it will be impossible fro them to do sth.

1. 别说了used to tell someone to stop asking or talking about sth, because it is annoying you.

62. D.　 Forget it.

61. A.　 in store 存储备用 in store for sb. 等待着某人 There are better days in store for you.

60. B.　 that相当于前面所提到的“the system”。学生易误选D。如用what后应接完整的句子。

59. A. 考查动词短语。get through意为“(食物、消息等)送到(目的地)”。bring down意为“减价，打倒”。give away作“捐赠”时，是及物动词，构成“give sth. away to sb.”。give out意为“筋疲力尽，耗尽；分发；宣布；发出(信号、味道、光等)”。根据题意，只能选C。

58. B.　 考查强调句型It was … that …。原句是：I took the course, not to get high mark s in examinations but to develop creative thinking. 对划线部分进行强调。

57. A.　 第一空，先行词“the moment”在定语从句Leo will never forget中充当宾语，所以排除C和D选项。第二空考查when引导的表语从句。

56. C. “never … until…”结构：“直到……才……”。