单项选择题
—Dear me! I've been in America for a month. —()you are settled, why don't you take up some serious study
A．If B．Now that C．When D．Even if
单项选择题 If Tim keeps working hard like this, he'll()sooner or later.
单项选择题 Wilma became the first American woman to win three Olympic gold medals in track, ()made her mother very proud.
单项选择题 In the West, people make()a rule to send Christmas present to their relatives and friends.
