There is ____ elephant in the zoo._____elephant likes bananas.

I think English is ______ useful language, and it’s also ______ important language.

Would you mind taking photos with me?—Of course not．When I ______ you，I can have a look at them．

Dear me! What a wonderful computer! —My grandpa bought it for my sister and me. It’s ______.

We can play ______ , but we can’t play________.