Put questions to the sentences. begin whit the word given in bracketsI have been to Riga.
Last summer they visited his little farm.
My friends are going to travel by bike.
Next month the doctor will go abroad. 
Look! The little boy is crying.
This unusual concert takes place in the open-air theatre.

а где вы взяли When how who why where

по смыслу. У тебя же в задании не написаны вопросительные слова )) Если нужно замени на те, что даны в учебнике в скобках.

I have been to Riga. – Where have you been? Last summer they visited his little farm. – When did they visit little farm? My friends are going to travel by bike. – How are my friends going to travel? Next month the doctor will go abroad. – Where will the doctor go next month? When will the doctor go abroad? Look! The little boy is crying. – Who is crying? This unusual concert takes place in the open-air theatre. – Where does this unusual concert take place?