I don't know whose laptop it is. Somebody must have left their.
举一反三
- I don’t know _____ he is. A: whose B: who C: which
- I don’t have my phone. I must __________ left it at home. A: having B: has C: have D: done
- I don't care who it is. It can be __________. A: nobody B: somebody C: anybody
- I don’t know ______ Peter is. A: which B: when C: where
- “____ he have left yesterday?” Yes, he ____<br/>yesterday.” No, he ____ yesterday.” A: Must; must have left; can’t have left B: Can; can have<br/>left; can’t have left C: Can; must have left; can’t have left D: May; must<br/>have left; shouldn’t have left