My motherEnglish for every twenty years now. A. has been teaching B. had been teaching C. was teaching D. have been teaching

A

Explanation:

Singular subject

a) has been teaching.

Explanation:

My mother has been teaching English for the past two decades.

Both has and had been applied in the case of continuous tense, such as present perfect continuous and past perfect continuous, which makes it intriguing.

dear miss layla

while looking through books for my class period i noticed the library cards in the books.most of them are torn or have no space to write out our names anymore.would we be able to replace them?

the conclusion would be the most affected category scoring