The waters of the lake were so that it looked like glass .
| A．silent | B．calm | C．still | D．quiet |
It is a common theme in many fiction stories that the world may one day be _________ by insects.
| A．taken up | B．taken down |
| C．taken over | D．taken in |
I've got a lot of books about basketball, _________ are signed by the authors themselves.
| A．and most of which | B．most of them |
| C．most of that | D．most of which |
Our national team has lost to the team from Australia. It's no _________ that many fans look unhappy in the street.
| A．need | B．wonder |
| C．doubt | D．way |
The world's greatest sporting event, the Olympic Games, upholds the idea that _________ matters is not winning but participating.
| A．which | B．it |
| C．what | D．That |
_________ he steps on the stage, he will sing the song which made
him famous two years ago.
| A．By the time | B．Each time |
| C．The first time | D．Many times |