(2014·山东实验中学二模)You can never be________careful，the road is icy and slippery

The of this illness in the area is of concern to all doctors.

I don’t want to eat___________ today. I’m not feeling well.

I had a pleasant winter vacation with my family in the north. —______.

The show opens next Monday. Between now and then we ______ it in the school hall every day.