根据括号中所给的汉语写出单词，使句子意思完整正确。

根据括号中所给的汉语写出单词，使句子意思完整正确。
小题1:It is a bit colder in Nanjing than in Shanghai in ▲ (冬季).
小题2:It’s such a ▲ (令人愉快的) trip that I will remember it forever.
小题3:The final-term exam is coming soon. The students are busy ▲ (准备)for it.
小题4:In Canada, Children’s Day is better known as National Child Day and is celebrated on ▲ (11月) 20th each year.
小题5:In my school, students not only work hard, but also take part in all kinds of ▲ (活动), such as dancing, drawing, reading and so on.