Experiments show that, for a bird, doing a bird nest is as instinctive as feeding.

Câu hỏi :

Experiments show that, for a bird, doing a bird nest is as instinctive as feeding.

A. Experiments

B. doing

C. as instinctive as

D. feeding

* Đáp án

B

* Hướng dẫn giải

doing => making

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