He is very popular among his students as he always tries to make them_______in his lectures.
He must have finished the work by the end of last month, _______ he?
Despite her illness, she had lost _______ of her enthusiasm for life.
_______ the task on time, he was fired by the boss.
I admit that there are problems, _______I don't agree that they cannot be solved.
—Why, Jack! Someone seems to have called you over there. —Yes? I _______ that.