. — They suggest the number of cars should be limited to stop air pollution.
— ____, the idea is not practical.
| A．Sounds good as it | B．As it sounds good | C．As good it sounds | D．Good as it sounds |
I think the doctor is able to care of _____ is the matter with your son .
| A．all | B．what | C．whatever | D．anything |
_____ in thought , he almost ran into the car in front of him .
| A．Losing | B．Having lost | C．Lost | D．To |
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 |