Sometimes the balance in nature is ______ , resulting in a lot of unforeseen effects.
| A．troubled | B．confused | C．disturbed | D．puzzled |
---Can I have the sports section?
--- Yeah, __________. I have read it.
| A．come on | B．go ahead | C．keep it up | D．make it |
He couldn’t _________ for his foolish mistakes.
| A．explain | B．apply | C．account | D．ask |
We found ourselves ____ more and more eagerly to the coming sports meeting.
| A．looking back | B．looking forward | C．looking up | D．looking down |
The boy led his mother to the ________ of the accident.
| A．scenery | B．sight | C．view | D．spot |
Children nowadays are bought up on a _______ of television cartoons and soup operas.
| A．diet | B．food | C．taste | D．appetite |