You can go out, _________you promise to be back before 11 o'clock.

Will you tell me__________I can keep fit and healthy?

Thanks to your help, ________ I would not have completed the task on time.

The conflict had developed into a stage ______ the two countries were gathering big troops on the border.

The schools themselves admit that not all children will be successful in the jobs ______ they are being trained.

______ scientists know where a storm will happen, winds will suddenly change, carrying the storm to a new direction.

Tommy had had a three-mile drive north _____ he could turn and head back south.

The scientists all agreed that rules of physics, ______ we are all familiar, govern the world.

He was seriously ill. That’s _______ he didn’t appear at the party.

He spoke very slowly and clearly ______ I understood him.