The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
According to our school rules, no student ____ be permitted to carry mobile phones in class.
You have no idea what I have had to _____ during the last few months.
The woman told the workers that her house _____.
The school requested that all the students ____ school uniform on weekdays in school.
Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.