—This problem is too difficult. Can you show me _______, George?—Sure.
Students in the USA spend ______ time _____their homework than we do.
Our teacher tells us ________ in the street.
The radio is broken. I don’t know ________next .
People in Britain say “football” while people in the USA say ____.
There _______ a number of students in the hall and the number of them ______ over 1000.