When you preview something, you inspect it. Previewing helps you get a glimpse of what's ahead before you read or something, kind of like skimming.
Read your information... Think about what you should agree... with create a planning sheet.. min of 5 paragraphs... DONT FORGET to add a counter claim at the end and swing the topic back to you. counter claims are not long either.
The first one means that you tried to stop feeling nervous or you tried to swallow so much that you couldn't.
The second one means that you are getting more nervous, or anxious.
Hope this was helpful!!!^_^
Verb: the word "asked" is the action of requesting information.