Question

同义句型转换（英语） He joined the army ten years ago.

He joined the army ten years ago.
①___ ___ ten years ago ___ he joined the army.
②___ ___ ten years ___ he joined the army.
③He ___ ___ in the army for ten years.
④Ten years ___ ___ ___ he joined the army.

Answer 1

He joined the army ten years ago.
①It was_ ten years ago since he joined the army.
②It was ten years before he joined the army.
③He has been in the army for ten years.
④Ten years has passed since he joined the army.
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Answer 2

1 It is , that
2 It is / has , since
3 has been
4 has passed since

Answer 3

1 It is ,that
2 It is ,since
3 has been
4 has passed since

Answer 4

1 It is ,when
2 It is ,since
3 has been
4 has passed since