Nobody knows how to operate the new machine ______ .[Add a question tag]
Adoes they?
Bdon't they?
Cdoesn't they?
Ddo they?
Adoes they?
Bdon't they?
Cdoesn't they?
Ddo they?
Related Questions:
Add suitable question tags.
a) Wait a minute, _______
b) Somebody has called _______
i. will you ?, isn't it?
ii. can you?, haven't they?
iii. would you?, have they?
iv. none of the above