(2023) Đề thi thử Tiếng anh THPT Hàm Rồng, Thanh Hóa có đáp án

By doing this, you are helping to lay the (19) ____________ for a stronger community and society.

19/50

By doing this, you are helping to lay the (19) ____________ for a stronger community and society.

base

background

ground

groundwork

Giải thích

Đáp án D