Tổng hợp 20 đề thi Tiếng anh ôn thi vào 10 có đáp án - Đề 4

There, the egg (24)__________by a layer of stomach fat that the penguin rests above the egg. Since emperor penguins lay their eggs right as winter begins in Antarctica, it is vital that the e

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There, the egg (24)__________by a layer of stomach fat that the penguin rests above the egg. Since emperor penguins lay their eggs right as winter begins in Antarctica, it is vital that the eggs remain protected from the elements.

protects

is protecting

is protected

will protect

Giải thích

Đáp án C