247. He found it quite impossible to learn _____ well in less than 6 months so he registered for the next semester(term).
I think ______ at the train station will surprise Aunt Kate.
It was until last year that he ______.
The boy pretended ______ his homework, when his parents came back home.
They need twenty more workers ______ their group to do the job..
In the cinema, there was an old man______ beside me.