5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 50

The lady____ son went on a picnic with us last weekend is a teacher at our school.

16/20

The lady____ son went on a picnic with us last weekend is a teacher at our school.

who

whom

whose

that

Giải thích

Chọn đáp án C