________ is known to us all is that the 2016 Olympic Games will take place in Rio de Janeiro.
| A．It | B．What | C． As | D．Which |
The fire spread through the hotel very quickly but everyone ____ get out .
| A．had to | B．would | C．could | D．was able to |
There was plenty of time . She ____ .
| A．needn''t hurry | B．mustn''t hurry | C．needn''t have hurried | D．mustn''t have hurried |
____ you like something to drink now ?
| A．Do | B．Will | C．Can | D．Would |
I can''t think he ____ tell me a lie .
| A．might | B．could | C．would | D．should |
He ____ have the ticket if I buy it .
| A．will | B．must | C．shall | D．ought |