The necklace that she lost is very expensive. It's of great _________.
| A．valuable | B．value |
| C．valueless | D．Invaluable |
.
--------Have you asked somebody to repair the machine?
--------Oh, sorry, I forgot it. I _________for an engineer at once.
| A．am going to send | B．would send | C．have sent | D．will send |
.
Do you think it is ____ good manners to hear others’ conversations in _____curious manner?
| A．the；a | B．/; / | C．/; a | D．the; the |
.
Soldiers stood next to a police truck, looking at the crime scene _______ a woman was gunned down in a poor neighborhood of the border city of Iran October 18, 2009.
| A．that | B．which | C．where | D．why |
.
In April, 2009, President Hu inspected the warships in Qingdao, ______ the 60th anniversary of the founding of the PLA Navy. 
| A．marking | B．marked | C．having marked | D．being marked |
.
On December 28, 2009, a terrible tsunami happened in the coasts of South and Southeast Asia, _______ over 25,0000 people.
| A．killing | B．had killed | C．killed | D．having killed |