John Wilson is the ______ of a big company. He is always busy and travels a lot. He will be away for ______ all next week. He will visit several cities on his trip, have meeting with some manger from other companies, see a lot of _______ and listen to their reports. Mary is his _______. And she won’t go with him. She is still in the office, answering John’s letters and telephones. Keeping contact with other companies and calling John to let him know about anything important. She’ll also be in charge of all the employees in the office. She wants to do a good job because she hopes to be _______.