21. —Do you take sides with me?
—______.
A. It’s hard to say. B. All the same.
C. I’ve no idea. D. I can’t agree more.
22. —What are you doing outside the class? Didn’t you hear the clock ______?
—Sorry, sir. I ______.
A. strike; didn’t notice B. striking; wasn’t noticing
C. is striking; didn’t notice D. struck; wasn’t notice
