09高考英语单选语法知识点强训1（语法结构细辨清，前后兼顾要分明）

1. The farm as well as its neighbouring hills we once spent so much time _____ on a new look as recently as last year.  w.w.w.k.s.5.u.c.o.m

A. on has taken    B. has taken    C. on having taken    D. having taken

2. You can hardly imagine the difficulty the woman had _____ her children. 

A. brought up    B. bring up    C. bringing up   D. to have brought up

3. How do you enjoy _____ your weekends, fishing or watching TV？

A. spending    B. to spend   C. being spent    D. spend

4. They've kept up a friendship with the teacher whom they were at school _____ twenty years ago.