---Jack , you shut the window quickly,______? ----Ok!Oh! The window is broken.
To his disappointment, the opinion he had held____ out wrong.
—My son has got a straight A in all his final exams.— What a ____ boy! Congratulations!
We should try all means to ensure ourselves_____ all possible risks.
Can you tell me_____ difficult the exam turns out to be?
Indonesia_____ some 3,000 islands stretching more than 2,000 miles from east to west.