Optimismhasapositiveeffect
問題詳情:
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
知識點:介詞
題型:選擇題
問題詳情:
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
知識點:介詞
題型:選擇題