A. it is very important for you to be punctual.B. Informal clothes convey the impression that you are not serious about the job,C. it is always easier said than done.A: Hi, Alan. I feel very nervous because I am going to have a job interview next Monday. Could you please give me some suggestions?B: Sure. Firstly,【D1】______Interviewers usually don't think much of a candidate who comes 5 or 10 minutes late only to explain that he could not find the place or he was stuck in traffic.A: Yeah, that is very important.B: Secondly, you need to create a good image in a limited time.A: I will try my best to make a good impression but【D2】______B: I think you should make some preparations. For example, you should take care to appear well-groomed and modestly dressed. What's more, try to avoid a too causal style.A: Can I wear T-shirt and jeans for the job interview?B: You'd better not. 【D3】______or that you may be casual about your work as you are about your clothes.