—Amy, I think you have to return the book to the library today.
—Why? I it for only one week.
| A．borrowed | B．have borrowed |
| C．kept | D．have kept |
He is a teacher. He has been a teacher ____ 1990.
| A．in | B．until | C．since | D．For |
Italy is famous for ________.
| A．the Eiffel Tower | B．the Tower Bridge |
| C．the Leaning Tower of Pisa | D．The Little Mermaid |
My brother has never been late for work, __________?
| A．is he | B．isn’t he | C．has he | D．hasn’t he |
This is a cheap and simple process(过程), ____ ,there are dangers.
| A．but | B．so | C．because | D．However |
Have you returned the book to the library ____?
--- Yes, I have ____ returned it.
| A．yet, yet | B．already, already | C．already, yet | D．yet, already |