We give dogs time, space and love we can spare, and , dogs give us their all.
A. in charge
B. in fact
C. in case
D. in return
网友回答
A. in charge
B. in fact
C. in case
(答案→)D. in return
解析：A．in charge负责，B．in fact事实上，C．in case以防，万一，D．in return回报，句意：我们可以给狗能腾出的时间，空间和爱，并且做为回报狗给我们他们所有。所以选D。