Put the verbs in brackets in the present perfect or the simple past tense

Ex1: Put the verbs in brackets in the present perfect or the simple past tense.
1. I like your car. How long ... you ... (have) it?
2. ... you ... (hear) of Agatha Christie? She ...(be) a novels writer. You ... (read) any of them.
Ex2: Rewrite the following sentence without changing their meaning.
 I haven't taken a bath since Monday.
=> It is...