Put questions to the sentences. Begin with the word given in brackets.
Example: She has been to London. (Has) - Has she been to London?
1) I have been to Riga. (Have) -
2) Last summer they visited his little farm. (When) -
3) My friends are going to travel by bike. (How) -
4) Next month the doctor will go abroad. (Who) -
5) Look! The little boy is crying. (Why) -
6)This unusual concert takes place in the open-air theatre. (Where) -