Which of the following we can't use when we make a telephone call?
| A．Who's that? | B．Who's calling'? |
| C．Who's speaking? | D．Who are you? |
Our school is ________ a park and a big library.
| A．between | B．Next | C．across | D．in |
Is this ________ bike? No. ________ is over there.
| A．your; my | B．you; I | C．your; mine | D．yours; mine |
—Hello, may I speak to Mr Green , please?
—Sorry. He ________ a meeting. Can you call him later?
| A．has | B．is having | C．will have | D．had |
I can't find ________ beef in the fridge. Shall I buy some?
| A．some | B．every | C．any | D．no |
Mark Twain ______ school and began to work at the age of twelve.
| A．left | B．leaves | C．will leave | D．leave |