The driver wanted to park his car near the roadside but was asked by the police    ________．

A.not to do           B. not to

C. not do             D. do not

They might just have a place ________on the writing course—why don't you give it a try?

A. leave              B. left

C. leaving            D. to leave

I got to the office earlier that day,  ________  the 7：30 train from Paddington.

A．caught                B. to have caught

C. to catch              D. having caught

The airport  ________  next year will help promote tourism in this area.

A. being completed        B. to be completed

C. completed             D. having been completed

________ which university to attend，the girl asked her teacher for advice.

A. Not knowing          B. Knowing not

C. Not known              D.  Known not

Volunteering gives you a chance  ________   lives, including your own.

A. change             B. changing

C. changed             D. to change

_______    the course very difficult, she decided to move to a lower level.

A. Find                  B. Finding

C. To find               D. Found

________ basic first－aid techniques will help you respond quickly to emergencies.

A. Known               B. Having known

C. Knowing              D. Being known

When we saw the road ________   with snow, we decided to spend the holiday at home.

A. block                B. to block

C. blocking            D. blocked

You cannot accept an opinion ________ to you unless it is based on facts.

A. offering               B. to offer

C. having offered        D. offered