_____ all the inventions have in common is ______ they have succeeded.
| A．What； what | B．That； what |
| C．What； that | D．That； that |
.
Water as well as other resources ______ all over the world every day.
| A．is wasted | B．are wasted | C．waste | D．wastes |
.
The teaching building is _________ by many trees, some ______ over 30 metres.
| A．surrounded, measuring | B．surrounded, measured |
| C．surrounding, measured | D．surrounded, measure |
.
They ________ to finish the project before Sunday, but they didn’t make it because of the heavy snow.
| A．succeeded | B．tried | C．managed | D．thought |
.
She was educated at Beijing University, _____she went on to have her advanced study abroad.
| A．after that | B．from that | C．from which | D．after which |
.
_____ you have got a chance, you might as well make full use of it.
| A．As soon as | B．After | C．Although | D．Now that |