He told me the news, believe it or not, ______ he had earned $1 000 in a single day.
| A．that | B．which |
| C．as | D．because |
Catherine, ____ the alarm clock for 6 o’clock, or you would oversleep and be late for the train.
| A．setting | B．sets | C．set | D．to set |
The results of the examination ________ that you have all made great progress.
| A．shows | B．show | C．showed | D．has shown |
--- Is your brother going to Jack’s birthday party tonight?
---I am not sure. He __________ go to a concert with his girlfriend instead.
| A．might | B．has to | C．ought to | D．must |
It took a long time for the effective use of natural gas_________．
| A．to be made | B．to make | C．being made | D．making |
At the beginning of the 20th century
, many people thought that the family was falling apart--- _______, they thought it was dying.
| A．on the other hand | B．for another |
| C．in other words | D．in addition |