elearn site

1. A camel / be / large animal / live / deserts / and / used / carry goods and people.
. 

2. He / drove / so / careless / often / have / accidents.
. 

3. Ann / a nurse / but / any more now.
. 

4. / climate / the Sahara / undergone / enormous variation / between / wet / dry / over / last few hundred thousand years.
. 

5. Deserts / take / one third / Earth′s land surface.
.