—What ______you _____? —I am ______my si
题型:选择题
问题:
—What ______you _____?
—I am ______my sister. [ ]
A. do, do, babysit
B. are, doing, babysit
C. did, do, babysitting
D. are, doing, babysitting
—What ______you _____?
—I am ______my sister. [ ]
A. do, do, babysit
B. are, doing, babysit
C. did, do, babysitting
D. are, doing, babysitting