.................. at the stars is fantastic.

................. the space capsule needs practice.

The alien ............. that he was from the moon.

It isn´t warm here, ....... it?

Penguins are good swimmers, ............... they?

You are ready for today, aren´t .........?

The ice ............. melt.

Polar bears ........... not find enough food.

If I saw a dinosaur, I ............. run away.

If I ............ a plane. I´d go to Australia.

.......... I went into the future, I´d take my brother with me.

If I ............ in a time machine. I´d go to see the Ancient Egyptians.