(Viên chức Mầm non) 600 câu trắc nghiệm Trọng tâm tiếng Anh có đáp án - Phần 15

It (2) ______ important that they found new ways around the world.

26/30

It (2) ______ important that they found new ways around the world.

is

are

were

was

Giải thích

Đáp án D