It was merely_____ chance that he discovered the mistake.
举一反三
- Mr. Watt’s worst mistake ________ his belief that he would never make a mistake.
- What can we know about the person who made the mistake（） A: He often forgets what the guests say. B: He has been fired because of the mistake. C: He is a green hand in the restaurant.
- Mr. Watt’s worst mistake ________ his belief that he would never make a mistake. A: came to B: lay in C: went down D: believed in
- They discovered the cause of the fire accidentally. They discovered it ______. A: by chance B: chancily C: fortunately D: luckily
- He became very friendly when he ____________ that she was my sister. A: was discovered B: discovers C: has discovered D: discovered