______in the heart of Toronto is the Canadian National Tower, ______ is often called the CN Tower for short.
| A．Located, where | B．locating, which |
| C．locating, where | D．located, which |
Work gets done __________ when people do it together, and the rewards are higher too.
| A．easily | B．very easy |
| C．more easily | D．easier |
Of the two coats, I’d choose the __________ one to spare some money for a book.
| A．cheapest | B．cheaper |
| C．more expensive | D．most expensive |
Speaking of all the songs he has written, I think this is probably his __________ one.
| A．better-known | B．well-known |
| C．best-known | D．most-known |
After two years’ research, we now have a __________ better understanding of the disease.
| A．very | B．far |
| C．fairly | D．quite |
The melon the Smiths served at dinner would have tasted __________ if it had been put in the fridge for a little while.
| A．good | B．better |
| C．best | D．well |