---Hi , Bruce. Here is a letter for you.
--- Thanks. I wonder _____.
A. who the letter was from B. who was from the letter
C. who was the letter from D. who from the letter was
---Would you like _____ camping with me?
---- I ’d like to. But I’m busy _____ my homework.
A. to go; to do B. to go; doing
C. going; to do D. going; doing
---May I take this book out ? --- No, you _____ .
A. can’t B. may not
C. needn’t D. aren’t
He’s worked there since the shop opened in 1998, _____ ?
A. isn’t he B. hasn’t he
C. doesn’t he D. wasn’t he
She will have a holiday as soon as she _____ the work next week.
A. finished B. will finish
C. finish D. finishes
The world _____ . Things never stay the same.
A. had changed B. is changing
C. was changing D. will change
