If Penicillin had not been available, many people _______ from sickness or even small wounds.
| A．had died | B．have died |
| C．would have died | D．should have died |
--Jack fell off the ladder yesterday, but he is all right now.
--What a lucky dog! He ______ himself badly.
| A．should injure | B． could have injured |
| C．should have injured | D．might injure |
It has been announced that the award will be given to ______ has made the largest donation to charity this year.
| A．anyone | B．the one |
| C．whomever | D．whoever |
Many people agree that there has never been a more splendid opening ceremony than ______ of the Beijing Olympic Games in history.
| A．one | B．what | C．that | D．it |
--Has Billy finished his homework today?
--I have no idea. He ______ it this morning.
| A．would do | B．was doing | C．has done | D．had done |
______ more and more people may turn to the Internet for the latest news, it is unlikely that the newspaper will disappear．
| A．When | B．Because | C．Since | D．While |