The Yeti is said to be a large, hairy animal walking _____two feet like a human being and moving _____ amazing speed and strength.
| A．with; at | B．by; at |
| C．on; with | D．on; at |
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 |
25. Let’s go a little faster, _________we’ll never get there on time.
| A．yet | B．or | C．so | D．And |