Trả lời + Giải thích ạ
13. Have they been through Сustoms? (a) Yes, they... (b) Yes, their luggage (be) examined at Dover.

14. Has he spoken to her? (a) Yes, he ... (b) Yes, he (speak) to her on Friday.

15. Have you spent all your mo­ney? (a) No, I only (spend) half of it. (b) Yes, I ...

16. How much have you saved" sin­ce Christmas? (a) I (not save) anything (b) I (save) £3.

17. Has his temperature gone down? (a) No, it ... (b) Yes, it (go) down last night.

18. Have you seen his garden? (a) No, I (not see) it yet (b) I (see) the house on

Monday but I (not see) the garden.

19 Have you paid the bill? (a) Yes, I ... (b) Yes, I (pay) it while 'you were away.

20. Have you ever flown a plane? (a) No, I ... (b) Yes, I (fly) when I was at university.

21 Has your dog ever bitten any­one? (a) Yes, he (bite) a police­man last week, (b) Yes, he (bite) me twice.

22 Have you planted your peas? (a) Yes, I (plant) them on Tuesday, (b) No, I ... yet.

23. Has he written to the paper? (a) Yes, he ... (b) Yes, he (write) at once.

24. Have you ever drunk vodka? (a) No, I ... (b) I (drink) it once in Rus­sia but I (not drink) it since.