---Jane walked past me without greeting.
----She _____ you.
| A．can’t see | B．couldn’t see | C．can’t have seen | D．mustn’t have seen |
--- 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 |
Although the couple didn’t choose to sleep in the wild instead of in the hotel, it_______ unexpectedly beautiful.
| A．turned up | B．turned out | C．turned down | D．turned around |
She was over the age limit and ________, her application for the job was rejected.
| A．as a result | B．in conclusion | C．worse still | D．what’s more |