need .. to

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
ex : They need their copy books to learn the lesson.
Use the following words : to / to think / to see /to explain/ need / listen/
my school bag / the light / a pen / his eraser

You need to write.
They need their heads .
We English to communicate.
He needs to correct a mistake.
They need glasses on the blackboard.
I need to carry my school things.
I need a teacher the lessons.
You need a ruler underline.
She needs to see when it is dark.
We need our ears to .