(Viên chức Mầm non) 5000+ câu trắc nghiệm Ngoại ngữ có đáp án - Test 1

Because he was afraid, he walked__________.

41/60

Because he was afraid, he walked__________.

fast and fast

faster and faster

more and more fast

fast and faster

Giải thích

Đáp án đúng là b