Выберите правильный вариант (Present Simple или Present Continuous (Progressive)):

Решение:

• 1. We always start our classes at 8.
• 2. I think about my boyfriend.
• 3. Scientists believe the weather is changing.
• 4. I don't see what the problem is.
• 5. I can't understand why you laugh.
• 6. Why do you look at me like that?