It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.
| A．when , that | B．that , that | C．when , what | D．that , what |
The past 30 years has ______ the great changes that have taken place in China.
| A．seen | B．noticed | C．watched | D．looked |
– I’m sorry for what I said.
-- Forget it, I can’t remember _________.
| A．generally | B．however | C．anyhow | D．extremely |
______ that the way people spend their holidays has changed a great deal in the past ten years.
| A．Which is reported | B．What is reported |
| C．As is reported | D．It is reported |
______ the day going on, the weather got worse.
| A．As | B．Since | C．With | D．While |
A modern city has been set up in _______ was a wasteland ten years ago.
| A．what | B．which | C．that | D．where |