问题
选择题
—What do you usually do on Sunday?
—I usually volunteer at an animal hospital the animals.
A．take risks
B．to take risks
C．look after
D．to look after
答案
答案：D
题目分析：句意：星期天你通常做什么？我通常自愿到动物医院照顾动物。volunteer后跟不定式，自愿去做某事，照顾look after，故选D。