问题补充：
We must ourselves our work.
A. strict in; with
B. be strict with; with
C. be strict with; in
D. strict with; in
答案：
A. strict in; with
B. be strict with; with
(答案→)C. be strict with; in
D. strict with; in
解析：句意：我们必须在工作上严格要求我们自己。be strict with sb in sth在某事上对某人要求严格。
