We must do something to protect the earth, ____we will lose our home.
| A．and | B．or | C．so | D．but |
I always go to sleep ___________ the light on.
| A．in | B．and | C．to | D．with |
No one likes him ____.
| A．still | B．never | C．anymore | D．too |
I will come _____ I don’t change my mind.
| A．unless | B．if | C．because | D．though |
-What’s your plan for the summer holidays?
-I’ve no idea, but I’ ve decided _____ at home and have a good rest first.
| A．to stay | B．stay | C．stayed | D．staying |
---- Can you take photos with elephants?
---- Certainly. ______ elephant is ______ useful animal. I like them.
| A．A, an | B．An, an | C．The, an | D．The, a |