求牛津英语8b unit5 grammar答案,是书上的题目

求牛津英语8b unit5 grammar答案,是书上的题目
A.2.Dr ma used to live in a big flat3,Dr ma used to operate on two or three patients a day4.Dr ma used to go out with his friends at weekend5Dr ma used to spend a lot of money on going out to restaurants and cinema.
B1 2,Dr ma is used to operting on a plane3Dr ma is used to the long working hours4Dr ma is used to the unusual lifestyle.
B2 used to are used to used to was used to used to is used to used to
C
1,Curing sick people is so importangt that people must becareful enough
2modern medicine is developing so quickly that it is nessary for doctors to keep learing
3an operation can be such a long time process that dictoes often feel very tired after one
4it is a such meaningful job that many doctors enjoy their work