题文
The wild animals are in danger now． Let's protect ．（ ）
| A． |
they |
B． |
them |
C． |
their |
D． |
theirs |
The wild animals are in danger now． Let's protect ．（ ）
| A． |
they |
B． |
them |
C． |
their |
D． |
theirs |
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