Here are the completed sentences with the verbs in brackets filled in, along with the reasoning for each choice:
A: Why are you (you/be) in such a hurry?
B: I'm worried. My exam is starting (start) in ten minutes.
Reason: In the first sentence, "are you" is the Present Simple because it's asking about a general state. In the second sentence, "is starting" is in the Present Continuous because the exam is about to happen imminently.A: I am thinking (think) of changing school.
B: I don't think (not/think) it's a good idea. You'll be lonely.
Reason: In the first sentence, "am thinking" is in the Present Continuous because it indicates an ongoing thought process. In the second sentence, "don't think" is in the Present Simple as it expresses a general opinion.A: Why are you (you/be) angry?
B: My sister is always taking (always/take) my clothes.
Reason: The first sentence uses "are you" in the Present Simple as it asks about a general state or feeling. The second sentence uses "is always taking" in the Present Continuous to express a habitual action that causes ongoing annoyance.A: Why are you leaving (you/leave) now?
B: My train leaves (leave) in an hour.
Reason: In the first sentence, "are you leaving" is in the Present Continuous to indicate an action that is happening right now. In the second sentence, "leaves" is in the Present Simple because it refers to a scheduled event that happens regularly.