21. -I have made few friends in the new school . I feel very .
A. alone B. angry C. lonely D. happy
22. The number of people invited _______ sixty, but a number of them _______ absent for different reasons.
A. was ; was B. were ; was C. were ; were D. was ; were
23. I would greatly _____ it if you could send me the letter as soon as possible.
A. thank B. appreciate C. enjoy D. satisfy
