1.   Freeing teachers from time consuming domestic tasks such as tidying, cleaning and repairing equipment?

2.   In a well-known experiment, he had his subjects spend time performing tasks that they enjoyed.

3.   The administration has a harder task this time.

4.   The varied traditions and cultures I come across make it a different task each time.

5.   Their task this time is more difficult and challenging, because of the economic crisis facing the nation.