My grandfather spends most of his time _______ because he loves nature
Many people agree that never in history _________a more splendid opening ceremony than that of the Beijing Olympics
They are living with their parents for the moment because their own house _____
I chose the most popular major instead of my favoriteone,but I had to drop out and started againwhere I___have gone in the first place
Swimming alone ____ be ____ dangerous. Do be careful.