He is really an excellent doctor and he is _____ to becoming an expert in this field.

My uncle’s house in the downtown area is much smaller than ours, but it is twice ____ expensive[ ]

You are always talking about your pet dog. Could you tell me what it is like -_______.

The woman pulled her hat low down ____ her eyes in order not to be recognized by the angry crowds.[ ]

Please tell me the way you thought of _______ the garden.[ ]