Present perfect: since and for

Complete the sentence: I have been studying English _______ two years.

• from

• since

• during

• for

She has been living in this city _______ 2010.

• for

• since

Which word is used to indicate a specific point in time?

• since

• for

Which word is used to indicate a duration of time?

• since

• for

Select the appropriate word: I have been waiting here _______ hours.

• since

• during

• at

• for

Identify the correct usage: I have been working here _______ 5 years.

• for

• during

• since

• from

She has been playing the piano _______ she was a child.

• since

• from

• for

Choose the correct word: I have been learning French _______ a month.

• since

• for

• during

• at

Select the appropriate word: He has been studying for the exam _______ two weeks.

• from

• during

• since

• for

I have walked to school ___ first grade.