Little children ask endless questions because they are ______ about everything.
A. skeptical B. aware
C. capable D. curious
--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
