Hello. In a lesson you can increase the possible number of questions from Lesson administration>Appearance, if you need more than four. I don't myself remember the Lesson activity having this "add more questions" button, but I do know that the Quiz activity has it - are you perhaps thinking of the quiz matching question?
Lesson
Matching questions in Lesson
اس بحث کو بند کر دیا گیا ہے لہذا آپ اس کا مزید جواب نہیں دے سکتے۔