问题
选择题
___________of last term we ___________ over two thousand new words.
A．At the end; had learned
B．In the end; learned
C．By the end; have learned
D．By the end; had learned
答案
答案：D
这题的第一空填by the end of“到…结束为止”，后面接的是last week“过去时间”，所以句子用过去完成时，句意是：到上学期末为止，我们已经学习了2000多个生词。选D。