I forgot to include the following statements.

1) Answer four out of (or just "of") the following six questions.
2) do you usually use do with the following sports activities: aerobics, athletics, karate, ballet
3) go + cycling, water rafting, paragling (? or do), parachuting, mountain climbing, horse riding, surfing, snowboarding, skating, dancing

Thank you very much.

#1 -- just "of" is fine

#2 -- yes

#3 -- "go" works with all these, yes [Do you mean "paragliding"? I don't know what "paragling" is.]

To include the statements you mentioned:

1) Answer four of the following six questions.
To get the answer, simply choose any four questions out of the given six and provide the answers to those selected questions.

2) Do you usually use "do" with the following sports activities: aerobics, athletics, karate, ballet?
To determine whether to use "do" with these sports activities, you can use online resources like dictionaries or reliable websites that provide information on grammar and usage. For example, you can search for "grammar rules for using 'do' with sports activities" or "usage of 'do' with aerobics, athletics, karate, ballet." This will help you find reliable sources that explain the appropriate way to use "do" with these sports activities.

3) Go + cycling, water rafting, paragliding (or do), parachuting, mountain climbing, horse riding, surfing, snowboarding, skating, dancing.
To determine whether to use "go" or "do" with these activities, you can consult a grammar book or trusted online resources that cover the topic of verb patterns. For example, you can search for "verb patterns with activities - go or do" or "usage of 'go' and 'do' with different activities." These sources will provide explanations and examples of how to use "go" or "do" with various activities, including the ones listed.