The island where these rare birds nest has been declared a _____.
| A．observation | B．reservation | C．preservation | D．conservation |
He didn’t move the music went on,but got up it ended.
| A．when;while | B．while;when |
| C．while;while | D．when;when |
I’m planning to hold a party in the open air,but I can make no guarantees because it the weather.
| A．links with | B．depends on |
| C．connects to | D．decides on |
—What’s the matter,Ann?You look sad.
—Oh,nothing much.As a matter of fact,I of my friend back home.
| A．think | B．have just thought |
| C．had just thought | D．was just thinking |
E－mail,as well as telephones, an important part in daily communication.
| A．is playing | B．have played |
| C．are playing | D．play |
We felt amazed at the use the waste bottles.
| A．they had made | B．they had made of |
| C．they had put | D．they had put to |