At a rough estimate, Nigeria is _________ Great Britain.
| A．three times the size as | B．the size three times of |
| C．three times as the size of | D．three times the size of |
I was going to do some shopping in Golden Eagle, but ________ watching TV at home because of tiredness.
| A．ended up | B．took up |
| C．got down | D．settled down |
Whatever he does, once he set up a goal, he would start pursuing it without _________.
| A．decision | B．suggestion |
| C．discussion | D．hesitation |
Historically, ________ main material for making tables has been wood, but ________ metal and stone have also been used.
| A．the; / | B．/; / |
| C．the; the | D．/; the |
Besides the content of a book, _____the editor also cares about is the number of readers.
| A．who | B．why | C．how | D．what |
The house is dirty because it since they moved out.
| A．doesn’t clean | B．isn’t cleaned |
| C．hasn’t cleaned | D．hasn’t been cleaned |