Grammar Quiz - revision

Mars is the name of the .......... planet to ours.

• near

• nearer

• nearest

People also call it "The Red Planet", .......... when you see it in the night sky it looks red.

• because

• but

• or

Our plants and animals can't .......... on Mars.

• live

• lives

• living

It hasn't got out kind .......... air.

• from

• of

• for

It's also very cold and it has strong winds. A long time .........., there was a lot of water on Mars, people think, but now there is no water in the rivers or lakes.

• since

• then

• ago

There may .......... big lakes of ice somewhere on Mars, but people haven't found .......... yet.

• be / them

• was / their

• been /them

• been / they

• was / they

People have sent cameras to take pictures of Mars, but .......... has ever been there.

• anyone

• no one

• someone

It takes about a year for the camera to get there through space. The photographs .......... come from the planet show only rocks and mountains.

• which

• who

• when

There have never been .......... photographs of little green men!

• no

• some

• any

Mars is the planet most like ours. Perhaps, one day, people may go there to .......... it.

• study

• studied

• studying