Great changes ______ in my hometown in the last ten years.
| A．took place | B．have taken place | C．have been taken place | D．was taken place |
22. We share a purpose, so let’s help each other.
| A．common | B．ordinary | C．general | D．Clever |
21. Don’t pour water on his plan. We should encourage him.
| A．hot | B．cool | C．warm | D．Cold |
20. Don’t be too wordy. Just give me a very _____ answer.
| A．clean | B．clear | C．neat | D．Tidy |
19. The price of the car “Honda” is very _____ and my parents can’t afford it.
| A．cheap | B．high | C．expensive | D．Dear |
18. It is ______ that he has passed the examination, and I am _____ I will pass it too.
| A．certain; certain | B．certain; sure |
| C．sure; certainly | D．certainly; surely |