Complete the dialogues with the present simple or the present continuous form of the verbs given: 1.A: why has he hot his hand up? B: he... (want) the teacher to ask him. He ... (know) the answer 2. A: how do you prepare for exams? B: i ... (read) my notes and then i ...(write) question for myself. 3. A: who ...(sing) downstairs? B: that's my sister. She's good,isn't she? 4. A: can i speak to the director? B: No. he... (speak) to someone

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