______ is known to us all is that the 2016 Olympic Games will take place in Rio de Janeiro.
| A．It | B．Which | C．As | D．What |
— You look upset. What is the matter ?
— I lost my handbag _______ my ID card and a lot of cash.
| A．including | B．containing |
| C．included | D．contained |
Tim ____since he lost his job three weeks ago.
| A．had been unemployed | B．was unemployed |
| C．has been unemployed | D．has unemployed |
The Chinese government has made the Mid-autumn festival a national holiday,_____ people will have a day off.
| A．when | B．which | C．where | D．what |
—What do you think of the play?
—Oh, excellent! It’s worth a second time.
| A．seeing | B．to see |
| C．to be seen | D．being seen |
He is always helping people without expecting anything _____.
| A．in common | B．in turn |
| C．in danger | D．in return |