--What time does the library open in the morning?
--It opens 9 a. m.
A. |
in |
B. |
on |
C. |
at |
D. |
between |
--What time does the library open in the morning?
--It opens 9 a. m.
A. |
in |
B. |
on |
C. |
at |
D. |
between |