Not once ________ to Michael that he cou
题型:选择题
问题:
Not once ________ to Michael that he could one day become a top student in his class.
A.occurred it
B.it did occur
C.it occurred
D.did it occur
Not once ________ to Michael that he could one day become a top student in his class.
A.occurred it
B.it did occur
C.it occurred
D.did it occur