—Are these your sheep ? —No. Mine _____
题型:选择题
问题:
—Are these your sheep ?
—No. Mine _____ on grass at the foot of the hill.
A.are feeding
B.feed
C.is fed
D.is feeding
—Are these your sheep ?
—No. Mine _____ on grass at the foot of the hill.
A.are feeding
B.feed
C.is fed
D.is feeding