Choose the correct answer. What are they doing? - ________
17/20
Choose the correct answer.
What are they doing? - ________
They aren’t studying math.
They’re studying math.
They studing math.
Giải thích
Đáp án đúng: B
Cấu trúc:
(+) You/We/They + are + V-ing
(-) You/We/They + aren’t + V-ing
Ta thấy hình ảnh họ đang học toán.
=> Chọn B. They’re studying math.
=> What are they doing? - They’re studying math.
Dịch nghĩa: Họ đang học toán.