_________is watching TV. Turn it off, will you

With all his efforts, _____ he made such great progress[ ]

Jack is a great talkerIt’s high time that he ________ something instead of just talking(2012·辽宁)

The teacher agreed to the suggestion that the students_________ two weeks to prepare for the exam without coming to school.

My son always goes to school without having ______ breakfast.—-It is ______ unhealthy habit. You must ask him to change it.