I called you yesterday evening, but there was no answer.—Oh, I am sorry I _____dinner at my friend’s house.

All passengers______go through safety check before they take a plane.

Have you found any information about the famous peopleyou can use for the report?—Not yet. I’ll search some on the Internet.

I was so busy that I ________ my hair cut last Saturday.

I’m a football fan. I was interested in everything _____is about the 2010 World Cup.