Joy, what happened to the plane? It ___ at midnight, but it didn’t land on the airport on time.
I find this Math problem very ___ _. I believe the students can work it out .
--- How many workers are there in your factory, Mr Brown? --- ________ workers in our factory________ more than ________.
The earthquake_______ when I_______ some cleaning in the kitchen.
--- Why does he look so tired these days? --- He has to work hard_______ the coming test.
— Would you like some juice or bread? — . I’m really thirsty and hungry after such a long walk.