______ is known to us all is that the old scientist, for ______ life was hard in the past, still works very hard in his eighties.
- As; whom
- What; whom
- It; whose
- As; whose
Native Americans from the southeastern part of ______is now the United States believed that the universe in which they lived was made up of three worlds.
She had blonde hair when she was a child, but ______ she got older and older, her hair went darker and darker.
When the Internet was created in 1969, only a few people knew about it. That's ______ it came into existence as a secret US government project.
It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
- what; that
- then; that
- when; what
- that; what
Miss Green took up the story at the point ______ the thief had just made off with the jewels.
- in which
I had not believed in falling in love with somebody at first sight ______ I met David on Valentine's Day three years ago.
I really don't know ______ I had my money stolen.
- when was it that
- that it was when
- where it was that
- it was where
-- Will you go to the history museum tomorrow?
-- Sure I will, ____________ it doesn't rain heavily.
- as long as
- as soon as
- in case
- even if
______ life pace continues to speed up, we are quickly losing the art of enjoyment.