30．---- Do you think it's a good idea to make friends with your students?
---- _____ , I do. I think it's a great idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
— Hi, Tom．Any idea where Mary is?
— She in the reading room．I saw her there just now．
| A．shall be | B．should have been |
| C．should be | D．might have been |
Another group of Qing Tombs sits about 100 kilometres ______ of Beijing．
| A．at the west | B．the west |
| C．to west | D．west |
The man should be excused because he caused the damage _______．
| A．deliberately | B．unintentionally |
| C．meaningfully | D．determinedly |
Ancient Greeks were responsible for many of the _______ in science and other fields．
| A．advances | B．progress |
| C．development | D．civilization |
一When shall we start the restoration of the historic buildings?
一Not until our plan________ by the committee．
| A．will be approved | B．approves |
| C．is to approve | D．has been approved |