【题目】Peter works out in the gym ________, 4 times a week, to be exact.
A.regularly
B.swiftly
C.carefully
D.wildly

【答案】A
【解析】句意：Peter定期在体育馆锻炼，确切的说是一周四次。A. regularly“有规律地”；B. swiftly“迅速地，敏捷地”；C. carefully“仔细地”；D. wildly“野生地；野蛮地；狂暴地；鲁莽地”。根据“4 times a week, to be exact”可知，Peter有规律地去锻炼，故选A。