Please excuse me _______ your letter by mistake.
. Could ______ be in the restaurant ______ you lost your handbag?
One of the requirements for a fire is that the material ____to its burning temperature.
— Does the young man standing there ________ the company. — No, the company is _____his father.
_____ the youth ____ the rising sun at 8 or 9 o’clock at a.m., Mao Zedong expressed his great hope for the young men.
Those who are of great determination are ____ to make great achievement.