— Can you let me know what you are writing about?— Sorry, I’m afraid not. It’s _______.
The TV is always ______ at my home.
Miss Liu said ______ she would leave the message on the headmaster’s desk.
-______ a visit to Beijing this summer holiday? -That’s a good idea!
These animals are in danger.We should think ______ to protect them.
Either you or I ______ going there tomorrow.