—Since last year, “Where are we going, Dad?” has become one of the most popular TV shows.—Sure, it’s played on_______.
You will find a________answer after reading the story．
I found________difficult for them to get there on time．
Your English book is on the floor．Please________．
Susan used to________to school，but she is used to________to school now．
I think every student should go to school________，but some of them are always late．
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