2. 职称英语
  3. Sharks were once thought to be instinctive killing machines, but it is now belie

Sharks were once thought to be instinctive killing machines, but it is now belie

游客2025-02-04  11
问题 Sharks were once thought to be instinctive killing machines, but it is now believed______.
选项 A、they learn to hunt by experience
B、learn to hunt by experience
C、learning to hunt by experience
D、that learning to hunt by experience
答案 A
解析 The verb is now believed needs a noun structure as its direct object. They learn to hunt by experience is a noun clause with the subordinator that omitted.
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