# 1เลือกประเภทHe had to take some time off from work because all of the _____ was making him sick.activitychemicalexercisestress
# 2เลือกประเภทIn some countries, you should not ask _____ questions, such as a person's age.internationalnormalpersonaltropical
# 4เลือกประเภทSometimes it takes several months or even a year before new technology really _____.catches onfinds outshuts downspeeds up