Question

【题目】My father ________ lots of stamps since he was at primary school.
A.collected
B.was collecting
C.has collected
D.will collect

Answer 1

【答案】C
【解析】句意：自从他在小学以来，我爸爸收集了很多邮票。since引导的句子表示的是时间段，翻译成自……以来，主句在时态 的选择上应该用现在完成时态。所以答案是C。