A、He didn’t know what would happen if he made the suggestion. B、He didn’t feel nervous after he had put forward the suggestion.

6. The essence of good management is to be found in getting average employees to do excellent work.
7. Our company has decided to set up a display for the city’s forthcoming Science and Technology Week.
8. If Jack could have fixed the lamp in the hallway, he wouldn’t have called in an electrician.
9. Following the dinner will be an address by the chief executive officer from our headquarters in New York.
10. Had he realized the possible consequences, he wouldn’t have made the suggestion at the committee meeting last week.