题目
These animals are in danger.We should think about ________ to protect them.
A.
what can we do
B.
what we can do
C.
how can we do
D.
how we can do
知识点:Unit 2 I believe that the world is what you think it is章节:Module 9 Friendship
These animals are in danger.We should think about ________ to protect them.
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