学长,请针对正确答案给予具体解析,以便我下次不会再错,1.There ____no traffic in the city in the pastA were B was C are D is2._________of the twins are interested in musicA None B Both C All D Some3.Ben studies ______than beforeA more careful B more carefully C careful D carefully4.They ______to wear such thick clothes in springA Have not B have C haven't D don't have5.In the past,there were no________A women bus-drivers B woman policeman C women footballer D woman pilots

1. B 2. B 3. B 4. D 5. A

1 B
in th past 表示过去 所以是过去式 所以 C D 排除 然后traffic作主语为不可数名词，用单数
2 B
twins 说明两个人 用both
3 B
than 说明是比较急 排除 C D 然后修饰studies 副词修饰动词
4 D
他们不得不穿那么厚的衣服在春天
5 A
B选项 正确的表达方式是policewoman C是完全不对的 D 也不对 女飞行员不这样表达

1.B 2.B 3.B 4.D 5.A

1~5、CBBDA

1：traffic是不可数名词,所以用is谓语是单数
2：B 由题意知这对双胞胎对音乐都感兴趣 表示两者都用both 且谓语是复数形式,由are可知 所以B
3：B 修饰动词study做状语,只能是副词,所以排除A,C,因为careful是形容词细心的 由后面的than可知用比较级,所以B
4：D have to的否定形式是don't have to
5：A 没有女司机 首先由past知道不可能是C 而名词作定语一般用单数,但是woman与man列外,也就是说它们作定语是是women与men 所以又排除B,C所以A

1 B 2 B 3 B 4 D 5 A