21．—We are planning to have a casual get-together this Saturday or Sunday. Are you coming?
— ________. I’ve got rather a busy day this weekend.
A. I hope so B. Sounds great C. You’d better not D. I’m afraid not
22. —Have you heard of ________ death of Steven Jobs?
— Yes. It must be________ shock to Apple fans.
A. the; a B. a; the C. the; the D. a; /
