—Didn't the teacher see him entering the
题型:选择题
问题:
—Didn't the teacher see him entering the classroom?
—No, he_______ on the blackboard.
A.was writing
B.had written
C.wrote
D.is writing
—Didn't the teacher see him entering the classroom?
—No, he_______ on the blackboard.
A.was writing
B.had written
C.wrote
D.is writing