प्रभावी अधिगम के लिए, शिक्षकों को यह सुनिश्चित करना चाहिए कि अधिगम की गतिविधियाँ:

For efficient learning, the learning task should be:

For effective learning, teachers should ensure that the learning activities:

Which one of the following pairs is the most appropriate choice to complete the sentence? 'Children ______ faster when they are involved in activities that seem to be ______.'