________ I exist is a long-lasting surprise, ________ is life.
It’s necessary for you to _____ at least an hour each day to learn the new vocabulary.
—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.
Many ordinary people fought against _____ in order to create a fairer society.
— How do you like Guilin?— It is the most beautiful place ______ I have ever been to.
When I woke up, it was already midnight and it took a few seconds for my eyes to _____ to the darkness.