19. As a gesture of protest against the increase in tuition fees, the students decided______ the President‘s office.
A. to sit on in
B. to sit at
C. to sit on at
D. to sit in at
(责任编辑:admin) |
19. As a gesture of protest against the increase in tuition fees, the students decided______ the President‘s office.
A. to sit on in
B. to sit at
C. to sit on at
D. to sit in at
(责任编辑:admin) |