来自黄菊花的问题
We______fourthousandnewwordsbytheendoflastyear．（）A.learnedB.hadlearnedC.havelearnedD.willlearn
We ______ four thousand new words by the end of last year．（）
A.learned
B.had learned
C.have learned
D.will learn
1回答
2020-12-26 23:41