. From this simple concept ________ that has caused a great change in farming.
| A．has developed a technique | B．has a technique developed |
| C．a technique has developed | D．developed as a technique has |
The bus _______ at 8:30 p.m., so I have to be at the station by 8:10 at the latest.
| A．has left | B．would leave | C．leaves | D．will have left |
He is modest and confident, _______ in my opinion, is most important in society.
| A．how | B．that | C．what | D．which |
---How do you find the latest movie Avatar by James Cameron.
--- _______. I can’t think too highly of it.
| A．It’s not to my taste | B．It all depends. |
| C．Quite by accident . | D．It’s really wonderful. |
.---Don’t forget to take your cell phone.
--- But it’s just been announced that no students_______ bring cell phones to school.
| A．shall | B．may | C．need | D．will |
Early in _______ morning_______ word came that Mr. Black had been elected _______ president of the company.
| A．the; a; / | B．the;/ ; / | C．/; a; the | D．/; /; the |