He is a key ____________ in the murder so we must protect him from all kinds of danger.
| A．witch | B．watcher | C．wizard | D．witness |
Mary is the best student in our class. I wonder whether anyone has got _______ mark in this examination.
| A．a high | B．a higher | C．the higher | D．the highest |
The book you bought is more expensive than _______.
| A．that | B．my own one | C．that one | D．my one |
---- Will you be on holiday soon?
---- Well, I’m too busy to take a holiday now. I’ll beable to take ______ later.
| A．this | B．that | C．it | D．one |
---- Did you goon many of the hunting trips?
---- No, ________.
| A．not much | B．little at all | C．fewer | D．very few |
It was ______ who did it, but it was _______ that we are talking about.
| A．he; she | B．him; her | C．him; she | D．he; her |