---Who helped you clean the classroom yesterday?---_______. I did it all by myself.
There vegetables in the fridge(冰箱). Let’s go to buy some.
---Jim, is there _________ in today’s newspaper? ---No,nothing.
Jenny finished _______ the magazine _____ an autumn morning..
Don’t make Tom ____ the work by himself because he isn’t _______.
His father worked for _______ after twelve o’clock.