I’m as busy as a bee; ________ you bother me with so many questions now?

Xi Jinping and Vladimir Putin to hold extensive talks on Sunday,and they will discuss coordination between the Belt and Road Initiative and Eurasian Economic Union.

sitting room looks so clean and tidy.—Well, thanks to the baby-sitter. She is a real ________.

With a lot of homework _________last weekend, Tom didn’t go to the movies with his friends.

31Every solid object______reflect a sound，varying according to the sizeand nature of the object