29. ________that the government can lead them out of the financial crisis, people are optimistic about the future of the country.
The traffic rule says young children under the age of four and ___ less than 40 pounds must be in a child safety seat.
Mass media questioned the ____ of the information in the report.
One in five humans ___access to safe drinking water by 2080.
It is hard to imagine what I ___today if I hadn’t been admitted to Nankai Middle School 15 years ago.
Not until they left school ___how much their teachers loved them and helped them.