-Why does the lake smell terrible?
-Because large quantities of water .
| A．is being polluted | B．have been polluted |
| C．is polluted | D．has been polluted |
For many seniors in some universities, the final year can be an unpleasant experience, ____that ends the campus romance.
| A．which | B．/ | C．or | D．one |
professional violinist practices for several hours a day ,but violinist has his own way of playing the Beethoven concert.
| A．Any; any | B．All; any | C．Each; every | D．Every; each |
The customer didn’t choose of the ties and went away without looking at a third one .
| A．many | B．any | C．all | D．either |
---What an amazing film! It’s the most interesting film I’ve ever seen.
----But I’m sure it won’t interest ______.
| A．somebody | B．anybody | C．everybody | D．nobody |
—Have you heard that Tom, along with his parents, ____to Japan?
—Really? No wonder I haven't seen him these days.
| A．has been | B．has gone | C．have been | D．have gone |