— She is too busy to help us finish the work.— Let’s do it ________.

Thank you for your help, Linda. You made ________ possible for us to finish the work in time.

There is ___ food in the fridge(冰箱). Let’s buy some.

Mum, my trousers are too old. I want to buy a new ______.

I can’t find         backpack. Can you help         ?