题目内容:
Last Sunday she came to visit us out of the blue. The italicized phrase means __________.
A.unexpectedly B.unhappily C.untidily D.unofficially
参考答案:
答案解析:
Last Sunday she came to visit us out of the blue. The italicized phrase means __________.
A.unexpectedly B.unhappily C.untidily D.unofficially