________ is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.
| A．Which | B．What |
| C．As | D．That |
Although the lawyer __________ that the old man couldn't bring any harm to society, he was still sentenced to death.
| A．quarreled | B．announced |
| C．discussed | D．argued |
Eugene's never willing to alter any of his opinions, so it's no use __________ with him.
| A．to argue | B．arguing |
| C．argued | D．having argued |
Big companies generally __________ the plan, while small ones don't like it at all.
| A．approve of | B．argue about |
| C．accuse of | D．appeal to |
Gun control is a subject __________ Americans have argued for a long time.
| A．of which | B．with which |
| C．into which | D．about which |
-Mum, I have been admitted into Hong Kong University. -Well done! __________.
| A．Take it easy | B．I'm not sure |
| C．I'm so proud of you | D．Wish you luck |