Нужна выберите форму инфинитива (с частицей “to” или без нее) или герундия. 1. the manager avoids … this issue. a. discuss b. to discuss c. discussing 2. our colleagues agreed … in this event. a. taking part b. to take part c. take part 3. we insist on … a consultant to help us with this phase of the project. a. hire b. hiring c. to hire 4. the boss promised … our project team in a training class next weekend. a. to enroll b. enroll c. enrolling 5. the company postponed… the agreement. a. to sign b. signing c. sign