Black broke his leg. He has just had _____X-ray examination .______ doctor said he needed ______ operation.
---Do you often see Mr. Smith ______ on the playground ?---No! But he is often seen ______ Chinese Kungfu in the park.
Don’t forget to give my dog some food and change her water, ______?
---Excuse me . Is this the right way to the Water World ?---Sorry! I’m not sure. But it ______ be.
---Excuse me. Could you tell me ______?---There is a bank on the second floor.
--Is Bill in your house?---No. He ______ from my house for about an hour.