—Shall Tom go and play football?—Not unless he ______ his homework.
—Why didn't you come to Mike’s birthday party yesterday?---Well, I ____, but I forgot it.
I hear Mr Smith was writing a story last year and he still _____.
---What made her so sad?---___she had lost her purse with a lot of money in.
I can't tell you the exact when I will get there ____, I’ll be there as early as I can.
Certainly I posted your letter---I remember ____it.