It's a prank! He fooled you!
I believe the last one. A dangling modifier is a word or phrase that defines something or someone not spoken about in the sentence. So "a successful career as an author seemed certain", but seemed certain to who? A fair warning: I could be wrong.
1. could you please tell me where the venue is for the meeting
2. this is an important phone call, is it all right with you if i take it right now?
3. we aren't able to launch the product next week because of promises we made, but we will launch it as soon as we can.
4. when you have time, please cancel all my appointments in the evening
1
Reason: Quotes are used in between quotes in american and british writing.