―Does Lisa come from the US ________ the UK?
―Sorry,I don't know.
and
or
but
-Why are you so happy today? -Because I ______ to London with my parents tomorrow.
-____ Kate ____ Ann has joined the music club because they have no time. -It’s a pity!
____of the students in my school ______ boys.
-Is this kind of digital camera made of steel? -Yes, and it's widely used ______ taking photos.
-_____ is the population of America? -I don’t know. But I know it’s ______ than that of China.