—What were you doing at 9 o'clock last S
题型:选择题
问题:
—What were you doing at 9 o'clock last Saturday morning?
—I ______in my bed. [ ]
A. am sleeping
B. was sleep
C. was sleeping
D. sleep
—What were you doing at 9 o'clock last Saturday morning?
—I ______in my bed. [ ]
A. am sleeping
B. was sleep
C. was sleeping
D. sleep