From an airplane, the grasslands of the western prairie appear almost as uniform as a placid sea.
The examination was not very difficult, but it was_____________________ long.
Long ago, women were_________to vote in political elections.
_______ has been a topic of continual geological research.
It is stated in the passage that____________________ .
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: "______ "
There has been a great increase in retail sales,_____________________ ?
Education in many countries is compulsory________the age of 16.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
The boat was sailing north when a terrible storm_____________ .