Did you ______that Nancy has been a littletoo quiet these days?— Yes. She didn’t even say a word this afternoon.
I’m seeing Ann this Sunday. Do you want me to _________ any messages? —Yes, I do.
The problem is very difficult. I’m afraid you can’t work it out now.—I fail this time, I will try it again.
Millie’s father found ______ last month.
The Smiths are looking forward to ________ Kunming some day.