Can you help me with the bike? — Sorry, I’m a little busy now. Read the instruction. It______, “Do it yourself”.

Jim has _______ friends here, so he often stays at home and feels lonely.

Is there _______ left in the fridge? —Only some eggs.

When I got into the room , Sue was busy talking ________ the phone.[ ]

_____ of the water _____ polluted. We must try to protect our environment.