With new technology, pictures of underwater valleys can be taken ____ color.
| A．by | B．for | C．with | D．in |
Haven’t you got friends in Paris? I feel sure you did mention them once.
| A．any | B．no | C．some | D．lots |
It is impossible.
| A．very | B．quite | C．rather | D．fairly |
Don’t leave your work.
| A．done half | B．half done | C．a half done | D．done a have |
--How long will you stay there?
---_____.
| A．Two and half weeks | B．Two and a half week |
| C．Two weeks and a half | D．A half and two week |
Four is of two.
| A．double | B．two | C．the two | D．the double |