Question

【题目】By the end of last year we _____ about two thousand English words.
A.learnt
B.has learnt
C.had learnt
D.were learning

Answer 1

【答案】C
【解析】句意：到去年底，我们已经学了大约2000个英语单词。by the end of通常用完成时态，last year是过去时间，故用过去完成时，因此选C。