— Tom, are you going swimming with us?
— I’d love to, but something important has ______.
| A．ended up | B．given up | C．used up | D．come up |
—Have you been wasting time on computer games again?
—_____. I’ve been studying a lot and I need a break.
| A．No way | B．Not really |
| C．I don’t agree | D．I couldn’t agree more |
Faced with a bill for $10,000, _____.
| A．Smith has taken an extra job | B．the boss has given Smith an extra job |
| C．an extra job has been taken | D．an extra job has been given to Smith |
This is a very interesting book. I’ll buy it, _____.
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．whatever may it cost |
—English has a large vocabulary, hasn’t it?
—Yes. _____ more words and expressions and you will find it easier to read and communicate.
| A．Known | B．Knowing | C．To know | D．Know |
_____ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
| A．Being separated | B．Having separated |
| C．Having been separated | D．To be separated |