Choose the correct answer
----- Nội dung ảnh -----
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26. While we __________ dinner, the guests arrived.
A. had B. were having C. have D. having
27. He wishes he __________ how to swim.
A. know B. knew C. knowing D. knows
28. She __________ when I called her last night.
A. sleep B. slept C. was sleeping D. sleeps
29. I wish I __________ that mistake.
A. didn't make B. don't make C. won't make D. hasn't made
30. She wishes she __________ play the guitar.
A. can B. could C. will D. should
```
```
26. While we __________ dinner, the guests arrived.
A. had B. were having C. have D. having
27. He wishes he __________ how to swim.
A. know B. knew C. knowing D. knows
28. She __________ when I called her last night.
A. sleep B. slept C. was sleeping D. sleeps
29. I wish I __________ that mistake.
A. didn't make B. don't make C. won't make D. hasn't made
30. She wishes she __________ play the guitar.
A. can B. could C. will D. should
```