—Birds need more people's help. —Yes. People working in the reserves are doing everything they can ______ the birds.

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1. —Birds need more people's help.
—Yes. People working in the reserves are doing everything they can ______ the birds.

A . protect B . protecting C . to protect D . to protecting

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江苏省盐都区第一共同体2022-2023学年八年级上学期第三次自主练习英语试题