The teacher always tells her students that only if __________ hard _________ achieve success.
| A．do they work, will they | B．do they work, they will |
| C．they work, will they | D．they work, they will |
______the end of last term, every student in the school, I think, has taken at least five maths tests.
| A．By | B．Since | C．From | D．In |
We often call Martin Luther King M.L.King ___ .
| A．in short | B．for short | C．at short | D．to short |
Look out____the traffic when crossing the road.
| A．at | B．of | C．for | D．with |
The bridge is 1000 meters ____ length.
| A．with | B．in | C．at | D．on |
The two countries were ______ between 1989 and 1992.
| A．peace | B．at no war | C．at peace | D．at peaceful |