问题补充:
Our Earth will be if we go on cutting down millions of trees every year.
A. in great danger
B. danger
C. dangerously
D. out of danger
答案:
(答案→)A. in great danger
B. danger
C. dangerously
D. out of danger
解析:句意:如果我们每年继续砍伐成千上万的树木,我们的地球将陷入极大的危险当中。
in danger 处于危险当中,故选择A。