题目内容
(请给出正确答案)
[主观题]
The trainer usually gives the animal a piece of candy or fruit ______.A.when it is hungryB
The trainer usually gives the animal a piece of candy or fruit ______.
A.when it is hungry
B.before it plays a trick
C.when it starts to play a trick
D.after it has done the trick
查看答案
如果结果不匹配,请 联系老师 获取答案