Complete the dialogues with must ,can’t or might and one of the phrases in the box

Sure! Here is a step-by-step solution to complete the dialogues with the appropriate modal verb (must, can't, or might) and one of the phrases from the box:

Phrases in the box:
- be at the library
- have left
- be playing football
- be in the music room
- be in the classroom

1. Student A: "Where is Alex? He isn't in the classroom."
Student B: "He ______ ______ ______ ______ ______, he loves reading."

Answer: He must be at the library. (Explanation: Since Alex loves reading and he is not in the classroom, it is highly likely that he is at the library.)

2. Student A: "I saw Lisa on the playground just now."
Student B: "She ______ ______ ______ ______ ______, she is an active person."

Answer: She might be playing football. (Explanation: Since Lisa is an active person and she was seen on the playground, it is possible that she is playing football.)

3. Student A: "Is Sarah still in the classroom?"
Student B: "No, she ______ ______ ______ ______ ______, her bag is also not here."

Answer: She can't be in the classroom. (Explanation: Based on the fact that Sarah's bag is not in the classroom, it is highly unlikely that she is still there.)

4. Student A: "Did you see Tom anywhere?"
Student B: "Yes, he ______ ______ ______ ______ ______, I heard some music coming from there."

Answer: He must be in the music room. (Explanation: Considering the fact that music was heard from that direction, it is highly likely that Tom is in the music room.)

5. Student A: "Where are the students? The classroom is empty."
Student B: "They ______ ______ ______ ______ ______, it's break time."

Answer: They must have left. (Explanation: Since the classroom is empty and it is break time, it is highly likely that the students have left.)

By using these modal verbs (must, can't, or might) along with the given phrases, we can make logical inferences about the whereabouts or actions of the people mentioned in the dialogues. This helps us to understand the situation and draw conclusions based on the given information.