一些英语语法问题,请告知答案并给出选择理由,谢谢.

题目

一些英语语法问题,请告知答案并给出选择理由,谢谢.
1.seventy woman doctors 还是seventy women doctors?为什么?
2.I had my hair cut at the ____ in our hospital
A.barber B.barbers C.barber's D .barbers'
3."Do you want the pants?" "My pants _____laid in bed."
A. is B.was C.are D.being
4.I don't want to borrow Kent's big bicycle because I am too small to ride ____
A.that bicycle of him B.that bicycle of his C.that his bicycle D.his that bicycle
5.After four years in American, he got _____
A.a degree of doctor B .a doctor's degree C.the degree of a doctor D.a doctor degree
6. her house is within _____from the police station.
A.a stone's throw B. a throw of a stone C.stone's throw D.the stone's throw
7._____is really a burden to a small boy.
A.Ten pounds' weight B.Ten pounds weight C.Ten pound weights D.Ten pound weight
8."Have you ever gone water-skatting before?""Oh,yes__"
A.a dozen of time B.dozens of times C.dozens of time D.dozen of time
9.i was surprised to see _____at the concert.
A.those number of people B.that amount of people C.that number of people D.those amount of people
10.when you are at your _____end , you should not lose your head.
A.wit's B.wit C.wit's D.wit's

答案

1 用seventy women doctors,man和woman要特殊记,如果后面加复数,前面也要变复数
2 C,barber's就表示理发店,习惯用法如：baker's就是面包店 doctor's就是医院
3 C,pants是复数形式
4 B,这里是双重所有格
5 B,a doctor's degree表示博士学位,固定表达
6 A,a stone's throw表示一箭之远；在…的附近,英语俚语
7 B,表达十磅重
8 B,dozens of times表示数十次
9 C,a amount of 修饰数名词a number of 修饰数名词都许多意思the （that/this）number of固定词组...数额that number of people 比较合适
10 应该是wits,at one's wits end 智穷计尽,英语俚语