37. The boy is curious _____ everything. I am sure he is very clever.
Mother _____ us stories when we were young.
The book was so _____ that I couldn’t help laughing from beginning to end.
It was because his father was ill _____ he did not go to work.
_____ is no doubt _____ he will be successful someday.
Only when I left my parents for Italy ________ how much I loved them.