At first, being scared, the bird flutter
题型:选择题
问题:
At first, being scared, the bird fluttered about the cage, but finally it ________ in its new house.[ ]
A. settled down
B. settled up
C. set up
D. set down
At first, being scared, the bird fluttered about the cage, but finally it ________ in its new house.[ ]
A. settled down
B. settled up
C. set up
D. set down