15.
A. She should have spent less time to renovate her house.
B. She should have saved enough money for her plan.
C. She should have spent more time to plan her trip.
D. She should have changed her plan on the vacation.
16.
A. They will reach a consensus on the proposal.
B. They signed a contract for working as a team.
C. All of them agreed on the content of the proposal.
D. Most of them expected the proposal could be better.