1.C (every other day，每隔一天，是固定语;every two days/every other day/every second day.,)2.A (those代替“the+前面出现过的名词”，即代替the libraries。)3.C (表示“坚守岗位(post)”要用词组stick to)4.B（be angry with sb,生某人的气；because of 缺宾语，正好what引导宾语从句。）
英语谚语 A bad beginning makes a bad ending. 恶其始者必恶其终。 A bad bush is better than the open field. 有胜于无。 cross your heart 你发誓 gate - crasher 不请自来的不速之客; You never know what you can till you try. ? 是驴子是马,拉出来遛遛。
飞火+流萤
