2.I don't know what _____(do)next 3.why not ____ (take)a taxi to go there?

2.I don't know what _____(do)next 3.why not ____ (take)a taxi to go there?
2.I don't know what _____(do)next 3.why not ____ (take)a taxi to go there?

2.I don't know what _____(do)next 3.why not ____ (take)a taxi to go there?
2.to do
3.take (why not +动词原形)

2. to do
3. taking

2.to do
3.take