The 1-year lease on the house I rent ended two months ago and the lease defaulted to month to month (no new signing of a lease). At that time, one housemate moved out without giving thirty day notice to the other tenants. He claims that he sent an email to the landlord, but the landlord never shared that email or information with us. The landlord then expected us to pay the balance due for the absent housemate. In addition, we have selected housemates to move in and he has declined to approve their application in a timely manner. Are we responsible for the third portion of the rent for the past two months and this upcoming month?