Ants are the most common life form on earth, ___________ tiny, their combined weight is greater than that of the combined weight of all humans.
—When will you come to see me,Dad? —I will go to see you when you___the training course
The pupils___busily when Mr Brown went to get a book he___in the office
—George and Lucy got married last week.Did you go to their wedding? —No,I___.Did they have a big wedding?
He kept looking at her,wondering whether he___her somewhere
—Sorry to have interrupted you.Please go on —Where was I? —You ___you didn’t like your father’s job