.—John and Lucia got married last week. Did you go to their wedding? —No, I a lecture in another city.
She __________ have left school, for her bike is still here.
News came from the office __________ Wang Lin had been admitted to Beijing University.
Among all the birthday gifts ______ a DIY card, which I like best.
— What’s up? — There are so many problems ______.
Microblog is a platform ________ people can express their thoughts and communicate with each other by sending posts.