She the letter before sending it.
举一反三
- She read the letter through before sending it, c____ for spelling mistakes.
- She read the letter through before sending it, ______ for spelling mistakes. A: checked B: to be checking C: having checked D: checking
- She read the letter ghrough before sending it, for spelling mistakes. A: checked B: to be checking C: checking D: having checked
- She dropped the letter in the box, then she regretted mailing it.
- She was so attracted by the story that she ___________ it for three hours before she realized it.