800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 22

And researchers have found different brain wirings in righties vs. lefties. But no matter (4)_____ it is that drives someone to use their antipodal paw, science has also uncovered a particula

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And researchers have found different brain wirings in righties vs. lefties. But no matter (4)_____ it is that drives someone to use their antipodal paw, science has also uncovered a particular set of personality traits that left-handed people tend to have.

which

who

what

that

Giải thích

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