What is the difference between skimming and scanning, and what is the correct expression in "You can't have your cake and ___ it too"?

Here are the answers to the remaining questions:

4. Skimming is different from Scanning because in Skimming, the eyes move from ______

   • Explanation: Skimming involves quickly reading a text to get the main idea or overall gist, often by moving the eyes rapidly over the text, typically in a top-to-bottom fashion, focusing on headings, first/last sentences, and keywords. Scanning, on the other hand, involves searching for specific information.
   • Answer: (a) Top to bottom

5. Choose the correct expression:

   • Explanation: This is a common idiom, "You can't have your cake and eat it too," meaning you cannot enjoy two desirable but mutually exclusive things. Option (b) is