— We usually go hiking for vacation．I like it，but I want to try something more challenging this year．
— ________
| A．Let’s go． | B．Cheer up． | C．Like what? | D．Take care． |
. The hotel turned us down because we didn’t make reservations（预约）, but we ______ have.
| A．might | B．can | C．must | D．should |
. Personal relationships ______ over years may be lost when we move houses.
| A．building up | B．built up | C．having built up | D．to be built up |
. Someone in the crowd called out his name, but he couldn’t see ______.
| A．whose | B．who | C．where | D．which |
Sales of their new video has ______ one million dollars this year.
| A．got over | B．set up | C．brought about | D．broken through |
Could you lend me 50 pence? ______, I’ll have to change a ￡10 note into coins.
| A．Therefore | B．Instead | C．Otherwise | D．Yet |