One of the most important questions the government had to consider was _____ of public health.
---“Charley Oakley, ______ NBA All-star, hasn’t missed ______ game in the past three years.”---“I can hardly believe it.”
The market for ______ used computers is getting larger and larger as______ years go on.
---“What about ______ school?”-----“It is as good, as anybody can see, _____ school as No 1 Middle School Attached to Hunan Normal University.”
—John has put forward _______ most challenging question for us to answer.—Yes, it really is. I have never heard _______ harder one.
I often have conversations with John over ______ telephone, while keep in touch with Tom by ______ letter.