In Prepositions^x, Jokes^x, Regards^x

Hello again, I would say too that it is a tricky question for non-professionals like us Kooyeen.Thank you again for giving your explanation.By the way,I've read a good joke about this "Where are you going to".Maybe its an old joke,but I've read it only recently,so here it is : A: Where're you...

Dear Davkett and all the other teachers, Some more questions if you wouldn't mind. One afternoon Chris and I went up the valley to the gold workings to search out wood for the boat he was planning. A century BEFORE (“before” here is an adverb or a preposition ?), the upper valley 1) a) HAD BEEN...