It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
To our surprise, the painting considered ___ should have won the prize.
The old woman had a letter from her son in the army ___ to her.
The joke told by Tom made us ____, so our maths teacher couldn't make himself______.
.- Jenny looks hot and dry.- So ___ you if you had a high fever.
___ many times, she still didn't know how to do it.