I am delighted _____ as chairman of the students’ union last winter. [ ]

The ground is slippery. Hold onto the ropeand don’t .

I feel tired and sleepy. —Why not stop ______ for awhile

nagingdirector of this department took the ______ for the accident, although it wasnot really his fault

Kobe, are you willing to train your son to be a professional player? — Frankly speaking, I hope he can do whatever _____his interests. [ ]