1. He told us whether _______ a picnic was still under discussion.

A. to have          B. having           C. have             D. had

2. David threatened ______ his neighbor to the police if the damages were not paid.

A. to be reported       B. reporting        C. to report            D. having reported

3. ________the working efficiency, the boss allows the employees to have a coffee break.

A. Improving        B. To improve   C. Having improved      D. Improved

4. In many people’s opinion, that company, though relatively small, is pleasant ________.

A. to deal with         B. dealing with     C. to be dealt with     D. dealt with

5. The news reporters hurried to the airport, only          the film stars had left.

A. to tell              B. to be told       C. telling         D. told

6. ______ as an Olympic event, a sport must be played in at least 75 countries on at least 4 continents.

A. To accept            B. Having accepted  C. To be accepted       D. Accepting