Questions 19 to 21 are based on the conversation you have just heard.

A．Because the furniture they get in this way is new.
B．Because it saves them a lot of money.
C．Because it saves them much trouble and money.
D．Because they can get better quality furniture in this way.

A．Those who like talking about cheerful things live together.
B．Those who avoid talking about cheerful things die sooner.
C．Those who like talking about their disease live longer.
D．Those who avoid talking about their illness live longer.