This shift is great news for teachers. Instead of struggling to give kids all the information in areas (3) ______ they know little about, teachers can support students as they make their own

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This shift is great news for teachers. Instead of struggling to give kids all the information in areas (3) ______ they know little about, teachers can support students as they make their own steps into different fields.

what

that

where

whom

Giải thích

Đáp án B
Giải thích: Ở đây ta dùng mệnh đề quan hệ “that” để thay thế cho “areas”