--I’m going to the post office.---____you are there, can you get me some stamps?
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.
Scientists think that the continents today____ always where they _______.