t. 1. I am not free today. (It's) because I have a test tomorrow. 2. The test was not difficult. (That was) because I had studied a lot. 3. Let's go out tonight. (It's) because tomorrow is a holiday. 4. I helped my mother. (It's) because she was busy. 5. I will not drink coffee. (It's) because I drank coffee in the morning. (T) Complete the dialogue below. A : l. B : ¥7 L X tti*. A : 2. ho