—I really don’t know whether I should tell my father about the exam.—Well, don’t speak until ________.
What do you think is most ______ time to find him at home?
I’m sure your suggestion will ________ solving the problem.
______ _____the right decision _________ our future is probably the most important thing we will ever do in our life.
You can’t see through the telescope until it is _______ to your eyes.
Fashion, which differs from country to country, may reflect the cultured differences from one _______