.— My mum is a typist. — I know this sort of work _______ skill and speed.
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.
He gets up early and reads English aloud, ___ he has greatly improved his English