The island where these rare birds nest has been declared a _________area.
| A．observation |
| B．reservation |
| C．preservation |
| D．conservation |
In our daily life, everyone fails every now and then.It is how you react that makes a ______.
| A．development | B．difference | C．progress | D．point |
—It shouldn’t take long to clean up after the party if we all volunteer to help.
—That’s right. ________.
| A．Many hands make light work |
| B．Something is better than nothing |
| C．The more, the happier |
| D．The sooner begun, the sooner done |
The building the windows are bright at night is our school library.
| A．that | B．which | C．whose | D．of which |
It was not until dark _____ he found _____ he thought was the correct way to solve the problem.
| A．that; that | B．that; what | C．when; what | D．when; that |
_________ this is the biggest mistake we have made.
| A．In a way | B．In this way | C．To the degree | D．In a degree |