Хелп,пожалуйста помогите

Use the present perfect continuous and for or since for each pf the following situations.

e. Carol's father began learning Kazakh 7 months ago. He is still learning Kazakh.

........................................................ for 7 months.

f. Dmitry started learning Kazakh a year ago. He is still learning it.

Dmitry ........................................................ since last year.