22.After playing in the park for a few hours, the pupils gathered under trees _______shade and ________ down to eat their picnic lunch.
It was along the Mississippi River _______ Mark Twain spent much of his childhood.
It was not until midnight __ they reached the camp site.
It was in New Zealand ___ Elizabeth first met Mr. Smith.
----Where did you get to know her? ------It was on the farm ____we worked.
I do not mind her criticizing me, but _____ is how she does it that I object to.