2. My mother started working at this school 25 years ago. - My mother has __________________________________________________________ 3. The scientis

Question

2. My mother started working at this school 25 years ago.
-> My mother has __________________________________________________________
3. The scientists have studied the problem carefully.
-> The problem ____________________________________________________________
4. The girl has been the best student for 2 years. She is talking to the lecturer.
-> The girl ________________________________________________________________
giúp mjk lm vs

thanhmai · Answer

2. My mother has worked at this school for 25 years.

3. The problem has been studied carefully by the scientists.

4. The girl who is talking to the lecturer has been the best student for 2 years .

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truongankim · Answer

2 . My mother has worked at this school for 25 years

( started/began + Ving = has/have + Pii )

3 . The problem has been studied carefully by the scientists

( Bị động hiện tại hoàn thành : have/has + been + Pii +…. )

4 . The girl who is talking to the lecturer has been the best student for 2 years

( Who là mệnh đề quan hệ dùng để thay cho “the girl” để bổ sung ý nghĩa cho chủ ngữ )

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