A. when it comes to the examB. you need to go over it yourselfC. then I can go through it again next time Student: I mean I want to do some of these problems.Teacher: Yeah.Student: But it's taking time to do them.Teacher: When we cover something in the lesson,【D1】______Work out the exercises in it. Erm, when you get a little bit stuck, sort it out yourself, and then think. Student: Yeah.Teacher: I know, I see how you do it. And maybe if you're totally stuck, 【D2】______Student: Yeah. Teacher: It's really the more you do, Mm, on your own. Because【D3】______, you're gonna be on your own. Keep working on it you'll be okay.