My most famous relative of all, __________ who really left his mark on America, was Rob Sussel, my great-grandfather. One B. the one C. he D. someone
Feathers fall to the ground slowly,________ stones fall much faster.
The children are seldom encouraged ________up late at night preparing their lessons,if ________.
Though great efforts have been ________on her study,Annie can’t still make any improvements,which makes her parents greatly________.
The population of the city ________from less than half a million in 1949 to over two million.
—I’m going to the office. —________ you’re there,can you get me some stamps?