21.——I’m sorry, Sir. I got stuck in the heavy snow on the way to work this morning.
—— you were so late . It is none of your business.
A. Go ahead B. Forget it C. No wonder D. No way
22.——Tom is said his thesis.
——If so, let’s not him
A. writing; disturb B. to be writing; to interrupt
C. to be writing; disturb D. to have written; interrupt
