English is ___ useful language.A. a B. an C. the D,/
I’m sorry you’ve been waiting so long, but it’ll still be some time ____ Brian get back. before B. since C. till D. After
Tom owns______larger collection of_______books than any other student in our class.
When you come here for your holiday next time don’t go to______________hotel; I can find you___________bed in my flat.
Paper money was in___________use in China when Marco Polo visited the country in __________thirteenth century.
Most animals have little connection with_______animals of________different kind unless they kill them for food.