Question

【题目】I ___________ hard to improve my skills in the past three years.

A. have workedB. workC. workedD. are working

Answer 1

【答案】A

【解析】

句意：在刚过去的三年里，我努力提高自己的技能。A. have worked现在完成时；B. work一般现在时；C. worked一般过去时；D. are working现在进行时。in the past/last+时间段，表示“在刚刚过去的一段时间里”，用在现在完成时态的句子中，故答案为A。