21. — We had ________ really cold February this year.
－I can’t remember ________ spring when it snowed in Changzhou .
A. a; 不填 B. 不填; the C. the; a D. a; a
22.. — I think you should phone Jenny and say sorry to her.
—________. It was her fault.
A. No way B. Not possible C. No chance D. Not at all
