18 câu Tiếng Anh lớp 7 Unit 5: Are cats better pets than dogs? - Reading - Explore New Worlds có đáp án
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The puppets are supported by strings (3) _____ the water and controlled by the puppeteers behind a screen, so they appear to be moving on the water.

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The puppets are supported by strings (3) _____ the water and controlled by the puppeteers behind a screen, so they appear to be moving on the water.

at

under

on

to

Giải thích

Đáp án đúng: B

Cụm từ: under water: dưới nước