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

Malcolm isn‘t in his office. He ________at home today.

43/55

Malcolm isn‘t in his office. He ________at home today.

may works

may have worked

may be worked

may be working

Giải thích

Đáp án đúng là d.