A. is my brother working
B. was my brother working
C. if my brother was working
D. if my brother is working
Kiến thức kiểm tra: Câu tường thuật
Động từ tường thuật “asked” chia ở thì quá khứ đơn
=> các động từ trong câu tường thuật cũng chia ở quá khứ => loại A, D
Công thức tường thuật câu hỏi nghi vấn: asked + O + if/whether + S + V (lùi 1 thì)
Tạm dịch: Họ đã hỏi tôi liệu anh trai tôi có đang làm việc ở Luân Đôn không.
Chọn C
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We decided to spend ______ summer in ______ seaside town.