Healthy food and exercise help ________to study better.
A. us B. we C. our
Healthy food and exercise help ________to study better.
A. us B. we C. our
答案：A
【解析】代词的用法。句中短语help sb. (to) do sth 意为“帮助某人做某事”，help后面用宾格。所以本题答案为A。