The need for an operation，especially an immediate operation， almost always comes as a ______ to the patient and his family.
| A．result | B．happiness | C．disappointment | D．shock |
30. When he was only thirty years old, he had already experienced______most people only experience when they are much older.
| A．what | B．which | C．who | D．When |
29. ______ in the sports world, a sportsman needs to train constantly to keep himself in best condition.
| A．Survive | B．Surviving | C．To survive | D．Survived |
28. Listen, Mike. She_________have done it. She’s been with me at the shop all day.
| A．couldn’t | B．shouldn’t | C．needn’t | D．wouldn’t |
27. ––Do you want to go to the cinema tonight?
––Sorry, I’m so tired. I an early night.
| A．have | B．am having | C．have had | D．had |
26. With age, the mineral content of human bones decreases, ______ them more fragile.
| A．make | B．to make | C．made | D．Making |