—Have you handed in your schoolwork yet?—Yes,I have. I guess it now.[ ]

The population of Africa is __________ so rapidly as to cause concern of the whole world.[ ]

The first English novel_____ I read was “Gone with the Wind”.[ ]

Elephants have their own way to tell the shapeof an object and _________ it is rough or smooth

Dave has few friends here, so he often stays at home so he often feels