Edward, you play so well. But I you played the piano.
| A．didn’t know | B．hadn’t known |
| C．don’t know | D．haven’t known |
----She didn’t take the medicine last night, did she?
-----.
| A．No, but I wish she wouldn’t | B．No, but I wish she had |
| C．Yes, but I wish she did | D．Yes, but I wish she would |
To tell the truth, if it were not for the fact that youmy daughter, I would not take such pains to serve you.
| A．were | B．had been | C．are | D．have been |
we are laid off, all of us will have to be retrained and improve ourselves.
| A．Unless | B．So that | C．Until | D．In case |
-----Is this the first time youQuanzhou?
-----No. But the first time Ihere, the city wasn’t so beautiful.
| A．visited; came | B．visited; have come |
| C．have visited; have come | D．have visited; came |
After months of voyage, Columbus arrived in what laterto be a new continent.
| A．had been proved | B．was proved | C．had proved | D．proved |