| It _____ more than half a year since I _____ a teacher. |
|
[ ] |
| A. is, become B. was, become C. is, became D. has been, becomes |
| It _____ more than half a year since I _____ a teacher. |
|
[ ] |
| A. is, become B. was, become C. is, became D. has been, becomes |