Cloning technology can human life by creating human organs to replace those which fail to function.
| A．adjust | B．substitute | C．extend | D．Transform |
After the long journey, the three of them went back home, ______.
| A．hungry and tiredly |
| B．hungry and tired |
| C．hungrily and tiredly |
| D．hungrily and tired |
He _________ to go through the hard times and finally became a famous artist.
| A．succeeded |
| B．managed |
| C．tried |
| D．enabled |
It is well known that biology is ______ science about living things.
| A．a |
| B．the |
| C．/ |
| D．an |
----May you _______ the experiment!
----Thank you very much.
| A．success in |
| B．succeed to do |
| C．succeed in doing |
| D．succeed doing |
---Never give up and you'll succeed.
---Thank you. i won't ______ you.
| A．hurt |
| B．fail |
| C．depend |
| D．harm |