21. ---My name is Jonathan. Shall I spell it for you? ---_________.
A. If you don’t mind B. Not at all C. Take it easy D. Nice to meet you
22. He opened his mouth__________ he would say something.
A. even if B. like C. as if D. if
23. Luckily but strangely, this September _______ neither typhoon nor flood.
A. sees B. has seen C. saw D. had seen