Principles and Pitfalls of English Grammar

Chapter 10

Insert the correct interrogative pronoun into the gap in the following. Where you have a choice, always use the more formal option.

1. have you invited to give the guest lecture?
2. coat is that lying on the floor? Who left it there?
3. I wonder of the candidates will be selected.
4. To were you sending those e-mails?
5. To of my books were you referring just now?
6. is a better investment, shares or bonds?
7. How are you getting on? progress have you made?
8. That woman I just saw you with, was she?
9. does your new girlfriend look like?
10. is this bike? They should remove it at once!