单项选择题
A.That;that B.That;what C.What;what D.What;that
Before I got to the cinema, the film（）A.had begunB.has ...
单项选择题Before I got to the cinema, the film（）
A.had begun B.has begun C.is begun D.was beginning
The play（）already（）when we got to the theatre.A.has;tar...
单项选择题The play（）already（）when we got to the theatre.
A.has;tarted B.was;tarted C.have;started D.had;started
Before she began to study at Beijing University, she（）i...
单项选择题Before she began to study at Beijing University, she（）in a factory for five years.
A.had worked B.worked C.has worked D.would work
