My uncle ___________ a farmer. Now he is a driver.A is used to B is used to be C used to being D used to be
The 20th World Cup will be held in Brazil _______ June 12 _______ July 13, 2014.
----Where is Jack? ----On the playground. He _______ football with his classmates.
------ How many people were invited to the meeting? ------About six ________.
Cars make our life easier, _________ they bring environment problems.
The Chinese ______ Mo Yan won the 2012 Nobel Prize in literature (文学), and it cheers us up.