---- Is there a vaccine _____ pig influenza?, I’m anxious to know.----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
So difficult ____that no one could ___ a good solution to it.
When we arrived, she went straight to ___ kitchen and started to prepare ___ meal for us.
____they decide which college to go to, students should research the admission procedures.
The time and effort he has devoted during the past few years____ trees in that remote area is now considered to be of great value.
That car accident ____all his life. After that he was limited to a wheelchair.