She works as ________ as her sister.
We can't work out the physics problem. Can you tell us ?
一 Hi, Jim! Is this your bike or Mary's?— It's mine, not .
— How do you like your Englsh teacher? — He is great. We friends since three years ago.
Our Chinese teacher told us interesting story and story was about Thomas Edison.
One of the difficulties we have English is how to remember new words and expressions.