Mark all the sentences using effective parallel structure in their grammar. Group of answer choices Training seminars must be stimulating and challenging. Sending an email establishes a more permanent record than making a phone call. To improve your listening skills, stop talking, your surroundings should be controlled, be listening for main points, and an open mind must be kept. Our newly hired employee has started to use the computer and to learn her colleagues' names. The application for a grant asks for this information: funds required for employee salaries, how much we expect to spend on equipment, and what is the length of the project