1. It is hard for linguists to draw the line between languages and dialects.
A. Linguists find hard to draw the line between languages and dialects.
B. Linguists find it hard drawing the line between languages and dialects.
C. Linguists find it hard to draw the line between languages and dialects.
D. Linguists find it is hard to draw the line between languages and dialects.
Bạn đang xem 1. - Đề cương ôn tập học kỳ 1 lớp 12 môn Toán năm 2020 2021 trường THPT Đống Đa đầy đủ các môn
