-Is Dr. Wang ______ today?-No, He is busy prearing for an operation.
Look at the twins. One is quiet, and ____ is outgoing.A. another B. the other C. other
-- What’s your favorite sport? -- Swimming. I think it´s _________. A. easier B. more difficult C. the most interesting
Would you please _ _______ the children ________ with snake?
----Is that book so boring?---- ______________. You can know a lot about birds.
_____ important for us _____wild animals and birds.