Mum__________ me to school as she knew it was important for me to receive education，but we were so poor then．
A．had sent B．sent C．would have sent D．would send
So excited were my classmates__________ the good result of the English speech competition!
A．to know B．known C．to be known D．having known
The emergency center is in great need of O-type blood，but there is__________ at hand.
A．nothing B．none C．any D．much
South Korean pop singer Chae Yeon came to Beijing on March 18th to__________ her new album My Love．
A．relieve B．release C．collect D．investigate
Nelson Mandela__________ peacefully at his Johannesburg home on Thursday，President Jacob Zuma said.
A．dies B．died C．has died D．had died
“Rubber Duck”,________ by Dutch artist Florentijn Hofman，has visited many cities since 2007．
A．being created B．creating C．created D．having created
