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

As soon as Martina saw the fire, she __________ the fire department.

38/60

As soon as Martina saw the fire, she __________ the fire department.

telephoned

was telephoning

has telephoned

had telephoned

Giải thích

Đáp án đúng là a