4 B Present perfect+ yet, just, already

a 3. Has he eaten the sandwich yet? No he hasn’t.
4. Has he turned off the computer? Yes, he has
5. Has he drunk his coffee yet? Yes, he has
6. Has he tidied hid desk yet? No he hasn’t.
7. Has he put away his CDs yet? Yes, he has
8. Has he made his bed yet? No he hasn’t.
9. Has he put away his clothes yet? No he hasn’t.
10. Has he finished talking on the phone yet? No he hasn’t.
b 2. He’s just been on holiday 3. she’s just failed an exam 4. she’s just missed her train 5. we’ve just had lunch 6. he’s just woken up.