Fill correct form of verb

Mrs. Anita is pur class teacher she _________(teach) us science.She _____________(teach) in this school for the last five years. She ________(work) very hard. Last year, she ________(be) leave. We all ______(miss) her.

Here is a solution to the sentences given by you. However, as per the sentences given by you, there is no continuation of tense. 

Mrs. Anita is our class teacher she teaches us science. She has been teaching in this school for the last five years. She works very hard. Last year, she had leave. We all miss her.

Hope this helps!