You can ride your bike to school, but remember to be careful  .　　

This magazine isn't popular with the students though it  every week.

It's difficult  both the old and the young about the program at the same time.

The kids clapped and shouted  when the actor appeared.

Though he is very busy, he goes to the movies to relax 

The children are interested in playing the piano, so they need more 

The visitors   not to swim in this river for several times.

There are no students in the classroom. They   on the playground.

Thank you for  the museum. We've learned a lot.

You must do more exercise,   twice a week.