A．Being considerate．
B．Being optimistic．
C．Being flexible．
D．Being forgiving．

A．They think the housing price will be higher．
B．They think taxes and insurance are affordable．
C．They think it is too expensive to rent a house．
D．They think it is a reasonable investment．

A．The number of people relying on their mother tongue will drop．
B．The percentage of native speakers of English will increase．
C．People will choose Chinese rather than English．
D．People may use two or more languages．