Look over there-there's a very long, winding path __________ up to the house.
| A．leading |
| B．leads |
| C．led |
| D．to lead |
We are sparing no efforts to create ______ more peaceful and more advanced world, ______
place where everyone enjoy his life and freedom.
| A．the；a | B．/；the | C．a；a | D．the；the |
Thanks to your help, ________ I would not have completed the task on time.
| A．however | B．because | C．so | D．otherwise |
The conflict had developed into a stage ______ the two countries were gathering big troops on the border.
| A．where | B．when | C．which | D．that |
The schools themselves admit that not all children will be successful in the jobs ______ they are being trained.
| A．in that | B．for that | C．in which | D．for which |
______ scientists know where a storm will happen, winds will suddenly change, carrying the storm to a new direction.
| A．Even if | B．Since | C．Despite | D．Unless |