Choose the correct answer:

1- Metals ( sink – think – float – swim ) in water.

2- He broke his arm because of the ( flesh –sweet – inside – peel ) of a banana .

3- ( Of – Unless - If – Off ) I am tired , I go to bed.

4- Japanese writing is from top to ( top – bottom – left – right )

5- Why does an orange ( floats – float – sinks – thinks ) in water ?

6- What colour is your shirt ? It is ( purple – pupil – bulb – empty )

7- The great ( teachers – doctors – scientists – engineers ) invent many things.

8- If you put water in the freezer , it ( become – will become – becoming – becomes ) ice