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Bài 1: Complete the sentences using the verbs in brackets. Use the present perfect where possible. Otherwise use the past simple.

1. I can't get in. (my home). I've lost (lose) my key.

2. The office is empty now. Everybody ... (go ) home.

3. I meant to call you last night but I ... (forget).

4. Mary ... (go) to Egypt for a holiday, but she's back home in England now.

5. Are you OK? Yes I ... (have) a headache, but I feel fine now.

6. Can you help us? Our car ... (break) down.