The father stood up in order to protect his 15-year-old son, saying that he was not the one .
| A．blamed | B．blaming | C．to blame | D．being blamed |
President Hu Jintao urged that every effort to_____rescue and treat the injured when the earthquake happened in Sichuan this year．
| A．is made | B．must be made | C．should make | D．be made |
Platypus is a strange animal that lays eggs but _____ milk _____ its young．
| A．feeds；to | B．feeds；for | C．fed；at | D．fed；on |
About 85％of the Australian population of 20million______in the six major cities around the coast nowadays
| A．has lived | B．live | C．1ivcd | D．1iving |
Every family in America has had this sort of experience______there was a price increase of nearly one-third in the past two years
| A．that | B．which | C．what | D．when |
Polar bears live_______ on sea ice，which they use as a platform for hunting seals
| A．most | B．almost | C．nearly | D．mostly |