The windows of classroom _____ up every week.
--- Where will 2014 Youth Olympic Games __________? — In Nanjing.
. --- People in the UK say “football”.--- Right. But people in the USA say “__________”.
--- What makes you so happy today, Jack?--- Because my teacher says I am __________ honest boy.
There’re a lot of _____. It’s _______.
When is the best time ______ China?