24、-How did you pay the workers?

-As a rule, they were paid ________.

A．by hour        B．by the hour       C．by an hour        D. by hours

22、My summer job wasn’t ____ fun, but it was ____ real learning experience for me.

A．a; a       B．the ; /        C．/ ; a          D．a ; /

21、--- Is there anything wrong with my heart?

--- ______ . Take it easy.

A．Nothing serious       B．That’s right       C．Don’t mind      D．Keep calm

20、Maria was thoroughly embarrassed, _____ her parents treated her like a child.

A．and        B．for       C．but        D．or

19、It is said that the price of that beach house, which you were looking forward to buying, has fallen ____ a further 200 dollars a square meter.

A．at        B．by       C．with       D．for

18、Two more hours, _______ we will finish the work.

A．or        B．so that          C．and         D．if

17、It was a pity that the great writer died _____ his work unfinished.

A．for        B．with         C．from            D．of

16、The language used in advertisements differs from _____ used in ordinary readings.

A．which          B．what             C．that             D．it

15、The Professor in the end decided to give the prize to _____ he believed had a good sense of English.

A．who         B．anyone        C．whoever         D．whomever