单项选择题
At beginning of the 2nd world war, Britain took the pol...
单项选择题At beginning of the 2nd world war, Britain took the policy of ______.
What is the relationship between the following two sent...
单项选择题What is the relationship between the following two sentences (a) He married a blonde heiress. (b) He married a blonde.
When the Cold War began, who was the president of U.S.A...
单项选择题When the Cold War began, who was the president of U.S.A