Not believing their eyes, the visitors on the spot _______ the flying plane, doing some most difficult and dangerous tricks in the sky.

Qomolangma is _______ high _______ very few people can climb up to the top of it.

Sitting in the shade on this hot day ________ good.

Can you speak English well — Sorry, but I think Lucy can. _______ isfrom England.

Harry and his brother promised to work harder, .