Students must be strict _________ their
题型：选择题
问题：
Students must be strict _________ their studies and teachers should be strict ________ their students.
A．in ; at
B．at; with
C．with ; in
D．in ; with
Students must be strict _________ their studies and teachers should be strict ________ their students.
A．in ; at
B．at; with
C．with ; in
D．in ; with