The landlady fired the servant who （） household funds for her own rise.

单项选择题He cannot （） the fact that he was late again for the conference at the university yesterday.

A. contribute to
B. account for
C. identify with
D. leave out

单项选择题The statistics （） that living standards in the area have improved drastically in recent times.

A. proves
B. is proving
C. are proving
D. prove