—Linda, how is your classmate, Lisa? —She never says a bad word ________ her friends. She’s the kindest girl I’ve ever met.
Beijing, ______________ capital of China, has _________________ long history.
The teaching building has five floors. My classroom is ______________ the third floor.
—Open the window please, Mike. —____________? I didn’t hear what you said.
----Do you mind if I sit here? ----________. It’s for Mr Brown.
Never stand up ________ you are asked to.