问题补充:
Many wild animals don’t have a safe place to live, people are taking away their land and forests.
A. when
B. while
C. because
D. and
答案:
A. when
B. while
(答案→)C. because
D. and
解析: 句意为:一些野生动物没有安全的地方生存,因为人类正占领着他们的地盘儿和森林。when当,while当,because因为,and和。故选C。