The Hubble Space Telescope will search for planets around the stars, a key to the ...... extraterrestrial life, and examine interstellar dust and gases out of which stars are born.

The machine is difficult to build ...... easy to maintain.

we had ...... wonderful time at the party last night.

The stenographer is very efficient. He is ...... to his firm.

In our zeal for progress we should not ...... executive with more power.

The park ...... as far as the river.

The boy fell ...... bicycle.

The king ...... the rebel.

I think they allow their children too much ......