Someone is at the door, who is ?
106. Don’t scold him. He was just trying to do a good _____.
107. When he was very young, my chemistry teacher took _____ in reading detective stories.
108. What you said just now is out of my depth. This sentence probably means _____.
109. I’d like to buy a vase with a _____ of flowers on it.
110. He is a man of great determination. I am sure he will succeed in the end. The underlined sentence probably means _____.