39.（单选题）Regardless of your line of work, sending business invitations will certainly be something you will face from time to time.

13.（单选题）He often asked me the question______ the answer was wrong.

12.（单选题）The order______ the prisoner be set free arrived too late.

11.（单选题）______you are the first one to get here.

10.（单选题）–Doesn’t Mr.Smith live on that street?–No.This is ______¬¬ Mr.Brown lives.

9.（单选题）The reason he quit the job is ______ he hadn’t got promoted for 5 years.

8.（单选题）He often actively ______ local community activities.

7.（单选题）I’m well ______ very few jobs are available.

6.（单选题）______ he said must be ______ he meant.

5.（单选题）She felt a great ______ to talk about his problems.

4.（单选题）The committee ______ 12 members.