Although _______ of danger, tourists can't help taking photos near the cliff.
| A．having warned | B．warned |
| C．warning | D．to be warned |
.
The Flight Company _________ its costomers top-quality service.
| A．provides | B．guarantees | C．gathers | D．applies |
.
He went _________ downtown to steal diamonds, and was put into _________ prison.
| A．a ; / | B．/ ; the | C．the ; a | D．/ ; / |
.
______is known to us all is that the 2008 Olympic Games took place in Beijing.
| A．It | B．As | C．What | D．That |
.
Don’t try to cheat the taxman(税务人员); you’ll never ______it.
| A．get out of | B．get into | C．get along | D．get away with |
.
He has behaved in the most extraordinary way recently, I wonder what can _______his actions.
| A．answer for | B．wish for | C．ask for | D．account for |