问题
选择题
These animals are in danger. We should think ________ to protect them. [ ]
A. what can we do
B. what we can do
C. how can we d
o
D. how we can do
答案
答案：B
搜题请搜索小程序“爱下问搜题”
These animals are in danger. We should think ________ to protect them. [ ]
A. what can we do
B. what we can do
C. how can we do
D. how we can do
答案：B