Optimismhasapositiveeffect
来源:语文精选馆 1.1W
问题详情:
Optimism has a positive effect ________ people's physical and mental health, ________ which I'm very convinced.
A. on; of B. to; in C. at; at D. on; at
【回答】
A
知识点:介词
题型:选择题
问题详情:
Optimism has a positive effect ________ people's physical and mental health, ________ which I'm very convinced.
A. on; of B. to; in C. at; at D. on; at
【回答】
A
知识点:介词
题型:选择题