When I arrived, the lecture had already started and the professo
2024-08-22英语语法(00831)
When I arrived, the lecture had already started and the professor ______ on the blackboard.
A、wrote
B、has been writing
C、was writing
D、is writing
【正确答案】：C
A、wrote
B、has been writing
C、was writing
D、is writing
【正确答案】：C
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