If we had not been ______ by the traffic jam, we would have arrived an hour earlier. 

Her parents did all that they could to get her _____ to a key school. 

 Don’t mention that at the beginning of the story, or it may _______ the shocking ending.

 ---Must I take this medicine, Mom? It ________ so terrible.---Yes, you must take it for another three days.

Thank you very much. Your coming has ___ me the trouble of writing you a letter.