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
