问题
选择题
—It’s a little bit cold today, but you have sweat all over.
—Yes, I _______ around the city for almost three hours.
A.have hiked
B.was hiking
C.am hiking
D.have been hiking
答案
答案:D
—It’s a little bit cold today, but you have sweat all over.
—Yes, I _______ around the city for almost three hours.
A.have hiked
B.was hiking
C.am hiking
D.have been hiking
答案:D