On the top of the hill _________ the old man oncelived

___________ that theQing Tombs areinfluenced by the Ming Tombs, especially architecture and the way they areplaced among the surrounding mountains and valleys.

Was it in April, 1970 ________ China succeeded ________ sending its first satellite into space?-Yes, that’s right.[ ]

I think Mountain Emei is more beautiful than ___________ mountain in China.—Really I want to go there then.

Lily doesn’t work in the same school as me, but we ______ at the same college for four years.