Why didn’t you go to Eric’s party?—I’d love to, but he didn’t me.

I’ll never forget the days ______ we spent together.

I’m seeing Ann this Sunday. Do you want me to _________ any messages? —Yes, I do.

I can’t connect my computer to the Intemet. There must be ______ wrong with it.

If you sit in a chair _____ a long time, your back may begin to hurt. [ ]