Rewrite the following senetences after the model, using inversion structure. Model: If he should be interested, I would phone him. --Should he be interested, I would phone him. If I had knwon, I would have written before. --Had I known, I would have written before. 1. If you should change your mind, no one would blame you. 2. If you had not helped me, I would have failed. 3. If it were not for e-mail, it would be difficult for us to keep in touch.

M：I’m sure you love gardening since you have so large a garden．W：No．I don’t like it．But I’ve got two big dogs, so I need a large garden． Why does the woman need a large garden（） A: She loves to work in a garden. B: She has two dogs to be kept in the garden. C: She likes the two doors of the large garden. D: She needs a large garden to keep her car.

I was speaking to Ann on the phone when suddenly we were _________.

A garden without artificial hills cannot be regarded as an authentic Chinese-style garden.

智慧职教: If he_______,he ____in time.