Lời giải bài số 2 thì hiện tại hoàn thành Present Perfect

Đề bài

Bài 2: Viết lại câu

1. I (work) very hard for this exam.
2. I (live) here since 1970.
3. You (be) to the zoo?
4. I'm afraid you (look) at the wrong one.
5. Why are the police here? What (happen)!

Đáp án

Bài 2: Viết lại câu

1. I have worked very hard for this exam.
2. I have lived here since 1970.
3. Have You been to the zoo?
4. I'm afraid you have looked at the wrong one.
5. Why are the police here? What has happened!