If you are in a warmer place and can get your skin _____ to the sun for 20 minutes per day, you will need less vitamin D.A. exposing B. being exposedC. been exposed D. exposed
____ students should be given more free time is suggested by many experts and welcomed by kids in school.
When I try to find ______that prevent so many people from taking part in the program, it seems to me that there are two main causes.
— Will you go to the annual meeting to be held in Sweden from the 26-30th of August 2008? — That depends on _______ I am invited.
Of one thing I am certain _____ hard work contributes to good results.
A decision has been made ________ the new school building be built next month.