In what way are the underlined words formed in the following sentences? 1） He wolfed down his lunch. 2） There is no milk in the fridge, 3） The headmaster is an easy-going man, 4） You have to show your ID before checking in the hotel. 5） I promised to baby
In what way are the underlined words formed in the following sentences? 1） He wolfed down his lunch. 2） There is no milk in the fridge, 3） The headmaster is an easy-going man, 4） You have to show your ID before checking in the hotel. 5） I promised to babysit for my neighbor this weekend.
