Breakfast is ready, you’d better____.
. useful invention the computer is!
---Why not shopping together?---Sorry, I have a lot of homework ____ .
My little boy saw_______ outside. Shall we go and have a look?
---May I ________ your dictionary?----Sorry, I ___________it at home.
---Could you tell me something about the boy in red?--- Sorry, I know nothing about him. We are_____ .