_______ rich one may be there is always something one wants.
| A．Whatever | B．Whenever |
| C．However | D．Wherever |
_____ in thought , he almost ran into the car in front of him .
| A．Losing | B．Having lost | C．Lost | D．To |
______ to somebody , a British person often shakes hands with the stranger .
| A．Introducing | B．To introduce | C．To be introduced | D．On being introduced |
Do you consider it any good _____ the truck again ?
| A．to repair | B．repairing | C．repaired | D．being repairing |
The bad weather meant ______ the rocket launch (发射) for 48 hours .
| A．delaying | B．having delayed | C．to delay | D．to have delayed |
She was afraid _____ the dog in case it became dangerous .
| A．of exciting | B．to excite | C．that she excited | D．to be exciting |