—Your English is good. —Thank you. I ___
题型:选择题
问题:
—Your English is good.
—Thank you. I _______ it for three years.
A.learn
B.learned
C.have learned
D.had learned
—Your English is good.
—Thank you. I _______ it for three years.
A.learn
B.learned
C.have learned
D.had learned