M: What ____________ can you start to work? W: I won't able to leave the institute until I get my diploma and bachelor’s degree certificate ____________ this month. How about early next month? M: That'll do. Please come in on August 1st.Working hours are from eight to twelve in the morning and from two to six in the afternoon. We usually work for five days a week,but occasionally we have to work ____________ . W: Yes,Sir. M: I'll see you on ____________ 1st then. Thank you very much for coming today. It'll be a pleasure to have you here. W: Thank you,Mr. Paul. I'm sure I'll enjoy ____________ here,too. M: I hope so. Good-bye. W: Good-bye.