题干
The retired couple enjoy ____________ photos. They always go out with their cameras.
A：take
B：took
C：to take
D：taking
答案(点此获取答案解析）
D
The retired couple enjoy ____________ photos. They always go out with their cameras.
A：take
B：took
C：to take
D：taking
油，化学方程式如下: 
