(单选题)4: She can stay in her workroom for 10 hours without eating or sleeping, all her attention ___ her
A: focusing on
B: focused on
C: focusing in
D: focused in
(责任编辑:admin) |
(单选题)4: She can stay in her workroom for 10 hours without eating or sleeping, all her attention ___ her
A: focusing on
B: focused on
C: focusing in
D: focused in
(责任编辑:admin) |