Bộ 20 đề luyện thi Chuyên Anh năm 2023 có đáp án (Đề 88)

The Chinese kept papermaking a secret . A. because they were afraid of the Muslims    B. so that they could keep exporting paper to the Muslim world C. until the Muslims found out about the

12/75

The Chinese kept papermaking a secret _______.

because they were afraid of the Muslims

so that they could keep exporting paper to the Muslim world

until the Muslims found out about the special tree bark

for more than 6 centuries

Giải thích

Đáp án: D