Mr. Jenkin regretted ______ his secretary for the mistake, for he later discovered it was his own fault.
If it is fine tomorrow, we ______ a football match.
When he was at school, he ______ early and take a walk before breakfast.
In the past 30 years China ______ great advances in the socialist revolution and socialist construction.
I ______ go to bed until I ______ finished my work.
Mary is very late, she ______.