I suppose that he fall behind others, with he help of the teachers.

______ you ever ________ Tom before ?—- No, I _____ him just two minutes ago.

What? You have donated $10,000 to the disaster area9 – Oh, no, _______. I don’t want to let anybody but you know it.

Were you at home 7:00 last night?—Yes, I __ a shower at that time.

There_______a sports meeting in our school next week.