The washing machine is of excellent quality. If there __________ be any problem within the first three years, we would fix it for free.
He was so pleased with all ______ we had done for him _____ he wrote us a letter to praise us for it.
---- Who were those people with the flag? ---- A group _______ itself the league for peace.
By no means _____ to your parents.
Jane told the police man that her gold necklace ______.
Swimming alone ____ be ____ dangerous. Do be careful.