---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan. 

 ----_______I come back before 11:00?----No, you________. But you  ________be back later than lunch-time.

At last the boy was made      and began to laugh.

 —Mr. Smith, why are you always asking me to do the difficult work?—Because you _______ do such a thing and nobody else is fit for it.

—Can we run across the road now?—No, we _     . We have to wait until the light turns green.