Why, David, you look so tired! –Well, I ______ a report for the whole day and I must finish it tomorrow

It’s said that the old lady died ________.

What’s your telephone number 　— ________ 321471.

Do you know what presents they will buy for our teachers on Teachers’ Day—No, they keep the secret to __________.

What do you usually do at the weekend—I ________ the program “If You Are The One” (非诚勿扰) with my family.