How do you study _______a test?  I study _______working with friends.

– Can you catch what the teacher said in the English class?-- Sorry, I can        understand it.

She often sends ________ to me on her mobile phone.

—Excuse me. ________ is the sports center from here?—About five kilometers.

--- I can’t afford the white sweater. Can you show me another one?--- What about the orange one? The price is a little ________.