Dialogue 1, Elena: We've got a Maths test today. Have you got your calculator this time? Tom: Oh no, I forgot it. 'Is it OK if I use yours? Elena: 2 ______ I need it for the test! Tom: OK, I understand. I hope the test is easy!

Short Explanation:

Step-by-step solution:

1. Step 1: Elena is asking Tom if he has his calculator. Since Tom forgot his, Elena needs to ask if she can borrow his calculator.
2. Step 2: The sentence structure suggests Elena is stating a reason why she needs the calculator.

Answer: 2 Yes, you can. Can I borrow it?