Choose the correct preposition. 1. Gillian left home early so that she wasn't late for/at the meeting. 2. The manager was very satisfied with/for her staff's efforts during the sale. 3. The surgeon had to operate in/on the pat...

Choose the correct preposition. 1. Gillian left home early so that she wasn't late for/at the meeting. 2. The manager was very satisfied with/for her staff's efforts during the sale. 3. The surgeon had to operate in/on the patient immediately. 4. Linda's work experience made her the most suitable candidate to/for the job. 5. All of the staff are hard at/to work in the chosolate factory.