=>

6. We are happy that they are here. (be happy that +clause)

7. The teacher decided to give the test again, since many students failed it. ( mệnh đề kết quả, since mệnh đề nguyên nhân)

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3. A

Giải thích: cấu trúc câu gián tiếp

S1+ said+ (that)+ S2+ would+  V.... (mệnh đề 2 là thì tương lai đơn-> chuyển sang sẽ là would+ V)

'tomorrow' chuyển sang câu gián tiếp sẽ là 'the following day' hoặc 'the next day'.

6. They are here. We are very happy about that.

-> We are happy that they are here

7.Many students failed the test. The teacher decided to give it again (since)

-> Since many students failed the test, the teacher decided to give it again

- Chọn câu được xây dựng chính xác từ các từ đã cho.

3. He / say / he / be / back / tomorrow.

=> A. He said that he would be back the following day

* Chúc bạn học tốt!