1 If I had known you needed a hand painting your house, I would have helped you. ( câu đk loại 3, ko có thật trong quá khứ ) 
A. I didn’t help you to paint your house because I had no idea that you were doing it.
B. I am planning to help you to paint your house whenever you are ready.
C. Let me know when you are going to paint your house, and I will lend a hand.
D. You didn’t tell me you needed help painting your house; otherwise, I’d have assisted you.
2 Ellen would trust her mother, but not her sister, with anything.
A. Although Ellen finds her mother completely trustworthy, she does not feel the same about her sister. ( Mặc dù Ellen thấy mẹ mình hoàn toàn đáng tin cậy, nhưng cô không cảm thấy như vậy về em gái mình )
B. Ellen felt she could trust neither her mother nor her sister with anything.
C. There was nothing that Ellen would not trust her mother, as well as her sister, with.
D. Neither Ellen nor her sister feel that they can trust their mother with everything.
3 Though once quite fatal, the threat of pneumonia has been greatly reduced as a result of antibiotic treatment. ( Mặc dù đã từng gây tử vong nhưng nguy cơ viêm phổi đã giảm đáng kể do điều trị bằng kháng sinh ) 
A. A threatening disease which used to be fatal in the past, pneumonia has now been eliminated by antibiotic treatment.
B. Pneumonia was a rather deadly disease in the past, but antibiotic treatment has lessened its dangers very much. ( Viêm phổi là một căn bệnh khá nguy hiểm trong quá khứ, nhưng điều trị bằng kháng sinh đã giảm bớt rất nhiều nguy hiểm )
C. Despite its dangers being significantly reduced thanks to antibiotics, pneumonia can still be rather deadly.
D. In order to lessen its deadliness, the threatening disease pneumonia must be treated with antibiotics.

1 If I had known you needed a hand painting your house, I would have helped you.

A. I didn’t help you to paint your house because I had no idea that you were doing it.

B. I am planning to help you to paint your house whenever you are ready.

C. Let me know when you are going to paint your house, and I will lend a hand.

D. You didn’t tell me you needed help painting your house; otherwise, I’d have assisted you.

Câu điều kiện loại 3 "If I had known .." diễn tả giả thiết không có thật trong quá khứ => A

2 Ellen would trust her mother, but not her sister, with anything.

A. Although Ellen finds her mother completely trustworthy, she does not feel the same about her sister.

B. Ellen felt she could trust neither her mother nor her sister with anything.

C. There was nothing that Ellen would not trust her mother, as well as her sister, with.

D. Neither Ellen nor her sister feel that they can trust their mother with everything.

Khi  dịch câu này ra thì chị thấy nó có nghĩa tương đồng với nhau:

3  Though once quite fatal, the threat of pneumonia has been greatly reduced as a result of antibiotic treatment.

A. A threatening disease which used to be fatal in the past, pneumonia has now been eliminated by antibiotic treatment.

B. Pneumonia was a rather deadly disease in the past, but antibiotic treatment has lessened its dangers very much.

C. Despite its dangers being significantly reduced thanks to antibiotics, pneumonia can still be rather deadly.

D. In order to lessen its deadliness, the threatening disease pneumonia must be treated with antibiotics.