1. The expedition was cancelled because the winter of that year was very cold. 2. What lovely weather we are having! I

1. The expedition was cancelled because the winter of that year was very cold.
— The reason why the expedition was cancelled was because the winter during that year was extremely cold. This means that the temperature was very low and it would have been difficult or even dangerous for the people on the expedition to travel or explore in such conditions.

2. What lovely weather we are having! I wish it could stay longer!
— The person is expressing their enjoyment of the current weather and wishing that it would continue for a longer period of time. This implies that they find the weather to be pleasant or enjoyable, and they would like it to last for a longer duration.

3. If the goalie had caught the ball during the last minute of the game, we wouldn’t have lost.
— In this situation, the speaker is imagining a different outcome of a game. They believe that if the goalkeeper had successfully caught the ball during the last minute of the game, their team would not have been defeated. This suggests that the mistake made by the goalie was crucial and directly led to their team’s loss.

4. If I had a dog, I would call it Snap or Lord. It’s my dream to have one.
— The person is expressing their desire to have a dog as a pet. They have specific names in mind, «Snap» or «Lord», that they would choose for their dog. They consider owning a dog to be a dream or something they greatly desire.

5. If only she had been more attentive.
— The speaker is expressing regret or disappointment about someone’s lack of attention or focus in a specific situation. They believe that if this person had been more attentive, the outcome would have been different or better. In other words, they feel that the person’s lack of attention had negative consequences.