------ There is still a copy of the book in the library. Will you go and borrow_______ ?
----No,I’d rather buy in the bookstore.
| A．it; one | B．one; one | C．one; it | D．it; it |
There are now many museums showing ______ life was like back then.
| A．whose | B．which | C．what | D．how |
By the time you get to Beijing tomorrow, I ______ for Shanghai.
| A．am leaving | B．should have left | C．will leave | D．will have already left |
There is much ______ can be done about the accidents ______ from carelessness.
| A．which, arose | B．that, arising | C．which, arisen | D．that, arise |
The time is not far away ______ modern communications will become widespread in China’s vast countryside.
| A．when | B．as | C．until | D．before |
Most parents encourage their children to take an active part in social events, ______ those events do not interfere with their studies.
| A．concerning | B．until | C．unless | D．provided |