They are taking a photo of (the mountain)对括号部分提问
( What )(are ) they taking a photo ( of)?
1.She has a great time (cooking,烹调) dinner.
2.The summer (vacation,假期) is about 50 days.
3.He is writing to his parents (alone,独自).
4.We like the (weather,天气) here.it is not hot or cold.