You have worked for a long time. You ____________ be very tired.       

–What do you think we can do for our parents? --You ____ do anything except to show your love -- a kind word, a warm smile and a helping hand.

 --- You didn’t tell your parents the date of our graduation ceremony, did you? --- No, but I ____. My sister had told them.

 Sorry, I’m late. I ____ have turned off the alarm clock and gone back to sleep again.

My sister met him at Ningbo Grand Theatre yesterday afternoon, so he         your lecture.