Trắc nghiệm Chuyên đề 3: Multiple choice (vocabulary and grammar) có đáp án

The first was done by Alexei Leonov, a Russia cosmonaut on March 18th, 1965. It was 10 minutes long.

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The first                      was done by Alexei Leonov, a Russia cosmonaut on March 18th, 1965. It was 10 minutes long.

spaceward

spacesuit

spacewalk

spaceship

Giải thích

Chọn đáp án C