有谁帮帮忙？谢谢了~

1.Obtaining"protection money"is a crime which_______practised for a long time.

(a)has been (b)is (c)was (d)is being

2.People prefer paying large sums of money ________their life work destroyed by gangsters.

(a)than have (b)to have (c)to having (d)than they have

3.He usually goes_______in the evenings

(a)on a trek (b)for a stroll (c)for a trot (d)on foot

这三道题是新概念第三册的题，看样子你是一位英语高手，应该难不倒你吧。