Between the two parts of the concert is an interval,________ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |
There’s nothing more important than good health, _______?
| A．is there | B．isn’t it | C．isn’t there | D．is it |
To Daniel’s parents’ surprise, the living room was clean and tidy, with the window ______and fresh air ______in.
| A．open; coming | B．to open; coming | C．open; come | D．opened; came |
William spends too much time in Internet cafes, ________he either plays games or chats on the internet.
| A．that | B．where | C．which | D．whose |
Eric felt the bag brought back by his parents, curious to know what it .
| A．collected | B．contained | C．included | D．saved |
Family fights are the things _______I feel upset.
| A．about which | B．of which | C．in which | D．on which |