①? Join? In refers to participating in small activities, such as "competitions, games" and so on. , often used in everyday spoken English.

2 take it? Part? In refers to attending a meeting or mass activity, indicating that the subject of the sentence not only participated in the activity but also played a role in it.

3 take it? Part? In is an idiom. Generally, there is no article before part, but when there are adjectives before part, you should use indefinite articles.

Examples of differences between extended data participation and participation:

1, add:

1 come? Go,? And then what? Join? Are you online? That? Games. ?

Come on, take part in the competition.

2、? Participate in:

① We "1 1? Take? Part? Are you online? Socializing? Practice? During? That? Summer vacation.

We will take part in social practice during the summer vacation.