By ______ the housework done, my mother has more time to pursue her career.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
The word "allocated" in the passage mostly means "______".
_______ has been a topic of continual geological research.
According to critics of globalization, several developed countries have become rich because of
The examination was not very difficult, but it was_____________________ long.
The packages___________________ so that it would be easier to carry them.
Education in many countries is compulsory________the age of 16.
The pool should not be made so deep______small children can be safe there.
Tom: "___________________ " Mike: "I won't say no!"