Đáp án: She asked her son if he knew which the cup he used was.
Giải thích:
- Câu gián tiếp dạng yes/no question: S + asked + O + if/whether + S + V (lùi thì)
+ Câu trực tiếp hiện tại đơn -> câu gián tiếp quá khứ đơn
Dich: Cô hỏi con trai mình liệu nó có biết chiếc cốc mà nó dùng là cái nào không.
What happened in class yesterday is being investigated. But we haven’t figured out.
Tìm và sửa lỗi sai:
I do well at most of the subjects at school, but I don’t really like P.E. and geography.
It (be) ____ beautiful yesterday when we (go) _____for a walk in the park. The sun (shine) _______. The birds (sing) ______.
The school is performing well, but we recognize the need for further ________. (improve)
The beaches were absolutely ____. Sometimes we were the only two people there.
Students can join one of our _____________ to clean the beaches all around Vietnam. (cleanup)
The motorcyclist rounded the corner at a quite unbelievable speed.
=> The speed ________________________________________________. (which)
Remember to turn the tap off when you are brushing your teeth.
=> Don’t forget ____________________________________________.So many students have difficulty _____ a good job after graduation.
Tìm và sửa lỗi sai:
It is saying that the Temple of Literature was built in the 11th century.
We didn't go on picnic because it was raining heavily.
=> It was ________________________________________.His lights are on so I’m pretty sure Dan is at home. (as)
=> Dan ___________________________ his lights are on.