1. Cal replied with a polite but ______（坚决的）“no”！
2. The T-shirts are available in a wide ______（各种）of colors.
3. Why don’t you _____（倒）yourself another drink?
4. As everybody knows, cancer doesn’t show any ______ （症状） in its early stages.
5. These days，I can’t fall asleep because the coming final exam is putting great _____（压力） on me.
