So many uses have been discovered for this wood ______ the supply of white pine is becoming smaller and smaller.
I _____ to take a holiday this summer, but I had to change my plan .
-I heard Back Street would sing at the New Theater. -Where did you _____?
-Are you satisfied with her answer? -Not at all. It couldn’t have been _____.
I will give the book to _____ wants to read it.
-Thank you very much. -You are welcome. I was _____ glad to help.