Define the correct variant of future expression. Write the correct tense. (future simple, present simple, present continuous) 1. Will you do me a favour, please? 2. The next bus arrives at 5:30. 3. She is meeting a famous person today. It is in his schedule.

1. Will you do me a favor, please?
- In this sentence, the correct variant of future expression is "will." We use "will" when we want to make a polite request or ask someone to do something for us in the future. Here, the speaker is asking the person if they will do them a favor. The correct tense is future simple.

2. The next bus arrives at 5:30.
- In this sentence, the correct variant of future expression is "present simple." We use "present simple" to talk about scheduled events in the future. Here, the speaker is informing the listener that the next bus will arrive at 5:30. The correct tense is present simple.

3. She is meeting a famous person today. It is in his schedule.
- In this sentence, the correct variant of future expression is "present continuous." We use "present continuous" to talk about future plans or arrangements that have been made. Here, the speaker is stating that she has a meeting with a famous person today, and it is already scheduled. The correct tense is present continuous.