更多雅思试题
- 1Lack of confidence is the biggest _____ to the improvement of your English.
- 2The number of people invited ( ) fifty, but a number of them ( ) absent for different reasons.
- 3The lion ______ the deer.
- 4Nobody knows why ______ are disappearing, dolphins are dying and coral is turning white.
- 5Some animals can overwinter without the ________.
- 6The _______ brought out a specimen box and showed the items one by one.