1．
He will _________ his teacher for help when he meets some difficulties in English.
| A. was sentenced to |
| B. changed his mind |
| C. turn to |
| D. came to power |
| E. grew up |
| F. out of work |
| G. burst out |
| H. at an end |
| I. lose heart |
| J. in ruins |
| K. made up his mind |
| L. as usual |