.I’m _______ to admit that I’ve never read any of his books.disappointed B. frightened C. excited D. ashamed
You can’t imagine ________ when they received these nice Christmas presents.
No one can be sure _______ in a million years.
________ the decision must be made immediately requires questioning.
_______caused the accident is still a complete mystery.
________ we can’t get seems better than _______ we have.